For any kind of report, suggetion and feedback please CONTACT US by- ::: Send Mail.

ITI Previous Papers REFRIGERATION AND AIR CONDITIONING TECHNICIAN(NSQF)

PREVIOUS YEAR PAPER
TRADE NAMEREFRIGERATION AND AIR CONDITIONING TECHNICIAN(NSQF)
TRADE TYPEEngineering
YEAR2
EXAM DATE2024-08-24
EXAM TIME12:15:14:15
Question Paper MOCK TEST

Loading, Please wait...

⚠ Please Enable Javascript to view our site content

Thank you

TRADE THEORY

Which chiller is considered as pure water cooled chiller?

  1. Scroll
  2. Centrifugal
  3. Screw
  4. Reciprocating

What is the pH valve of pure water?

  1. 8
  2. 7
  3. 9
  4. 6

Which valve is used for gas charging and pressure checking in central AC plants?

  1. Safety valve
  2. Solenoid valve
  3. Non return valve
  4. Service valve

Which zone of central HVAC all-air system, individual supply air ducts are provided for each room in a building?

  1. Dual- zone
  2. Multi- zone
  3. Triple- zone
  4. Single- zone

What is the temperature range of deep freezers?

  1. 15oC to 30oC
  2. -10oC to - 30oC
  3. 0oC to -10oC
  4. 10oC to 30oC

What is the direction of airflow delivered in a centrifugal blower?

  1. Parallel to the shaft
  2. Perpendicular to the shaft
  3. Inclined throw of air vertically
  4. Inclined throw of air horizontally

Which test is in progress with brine solution?

  1. Latent heat
  2. Specific volume
  3. Specific heat
  4. Specific gravity

Which expansion device is used in walk in coolers?

  1. Capillary
  2. Float
  3. Hand expansion
  4. Thermostatic

Which component of Automobile air conditioner controls the refrigerant flow by using a system of opposing pressures?

  1. TXV
  2. Capillary
  3. TEV
  4. Evaporator

What is the preventive maintenance of cooling tower sump?

  1. Add bleaching powder
  2. Remove sludge
  3. Flush with water
  4. Add HCL to water

What is the name of part marked as X in electronic expansion valve?

  1. Orifice assembly
  2. Lead screw
  3. Motor
  4. Piston sleeve

Why the rotary compressor is used instead of reciprocating compressor as a vacuum pump?

  1. No clearance volume
  2. Damages valves
  3. Piston movement is less
  4. Low pulling power

What is the purpose of accumulator in suction line of a deep freezer?

  1. Less heat transfer in evaporator
  2. Evaporator temperature increases
  3. Evaporator temperature decreases
  4. Avoid wet compression

Which types of heat are involved in ventilation and infiltration of air to AC space?

  1. Radiant heat and specific heat
  2. Sensible heat and solar heat
  3. Sensible heat and latent heat
  4. Latent heat of water-vapour only

Which instrument is used to check the belt alignment of a compressor with motor?

  1. Micrometer
  2. Straight edge
  3. Vernier caliper
  4. Sprit level

Which refrigerant system is used for making mini ice bars in different flavours?

  1. Block making plant
  2. Ice cube machine
  3. Ice candy plant
  4. Deep freezer

Which control terminals are shorted before pump down operation in package AC?

  1. H.P cut-out switch
  2. Thermostat switch
  3. L.P cut-out switch
  4. Selector switch

What type of evaporator used 90 lts. visible cooler?

  1. Box type evaporator
  2. Bare and tube type evaporator
  3. Fins type evaporator
  4. Plate type evaporator

What is the name of part marked as X in thermostat?

  1. Stationary contact
  2. Differential adjustment
  3. Movable contact
  4. Bellows

Which atmospheric standard air is used in calculating air velocity?

  1. 23oC and 760 mm
  2. 20oC and 760 mm
  3. 21oC and 760 mm
  4. 22oC and 760 mm

Why the miscibility of refrigerant and oil is preferred in car AC?

  1. Lubricate the moving parts of TEV
  2. Circulate oil back to compressor
  3. Lubricate the heat exchangers
  4. Lubricate the clutch assembly

What is the name of temperature measured by an odinary thermometer?

  1. Dew point thermometer.
  2. Absolute temperature
  3. Dry bulb temperature
  4. Wet bulb temperature

What is the evaporator surface temperature maintained in dehumidifier?

  1. Below dry bulb temperature of air
  2. Above dry bulb temperature of air
  3. Above dew point temperature of air
  4. Below dew point temperature of air

Which Condenser is used in 5 ton water cooled Package air conditioner?

  1. Bar and tube
  2. Shell and tube
  3. Fins and coil
  4. Plate type

What is the line voltage of a 3 phase supply used in ice plant?

  1. 220 V AC
  2. 110 V AC
  3. 440 V AC
  4. 660 V AC

What is the purpose of rinsing the condenser tubes with water after descaling process in industrial AC plant?

  1. Remove acid particles
  2. Check block in tubes
  3. Remove scales
  4. Remove algae

Which type of bottle cooler gains the minimum heat during door opening?

  1. Right side open
  2. Horizontal
  3. Vertical
  4. Left side open

What material is used to manufacture a single-stage centrifugal type compressor shaft and impeller?

  1. Cast Iron
  2. Cast aluminium
  3. Cast brass
  4. Cast gun metal

What is the method of flushing the indoor coils?

  1. Pressurised air
  2. Mechanical cleaning
  3. Using nitrogen
  4. Chemical cleaning

Which cooling tower is provided with open louvers on all four sides?

  1. Natural draft cooling tower
  2. Mechanical draft cooling tower
  3. Forced draft cooling tower
  4. Induced draft cooling tower

What is the purpose of Bleed off water in cooling tower?

  1. Decrease water circulation
  2. Change pH valve
  3. Add fresh water
  4. Reduce scale deposit

How to increase the life span of the H.E.P.A filters?

  1. Cleaning AHU
  2. Cleaning air duct
  3. Cleaning evaporator
  4. Well maintained pre filters

What is the name of part marked as X in low pressure cut out switch?

  1. Cut-in adjustment
  2. Diaphragm
  3. Sensing line
  4. Cover

How the indoor unit acts during heating cycle of heat pump?

  1. Evaporator
  2. Electrical heater
  3. Expansion device
  4. Condenser

Which one point in figure indicate coil?

  1. X
  2. W
  3. Z
  4. Y

What is the name of part marked as X?

  1. Dial thermometer
  2. Thermo well
  3. Water cooled condenser
  4. Industrial thermometer

What is the name of damper inside the duct?

  1. Single vane
  2. Butterfly
  3. Splitter
  4. Multiple vane

Which type of water is having calcium carbonate content more than 180 PPM?

  1. Soft
  2. Hard
  3. Medium
  4. Very hard

WORKSHOP CALCULATION SCIENCE

What is the formula for circumference of a circle?

Which type of stress?

  1. Tensile stress
  2. Shear stress
  3. Compressive stress
  4. Torsional stress

Which one of the following geometrical shape's centre of gravity lies from its base is 1/3 of its height?

  1. Square
  2. Triangle
  3. Cone
  4. Rhombus

What is the direction of frictional force against a motional object?

  1. Parallel to the object
  2. Opposite to the object
  3. Inclined to the object
  4. Perpendicular to the object

What is the name of a booklet, the rates of various terms are indicated?

  1. Price catalogue
  2. Price bank
  3. Price bunch
  4. Price tag

Who prepares the cost of estimation?

  1. Operator
  2. Draughts man
  3. Quality Inspector
  4. Estimator

ENGINEERING DRAWING

Name the symbol.

  1. Inductor
  2. Resistor
  3. Diode
  4. Capacitor

Which of the following refers to the term C.O.P. of refrigeration?

  1. Cooling for performance
  2. Capacity of performance
  3. Co-efficient of plant
  4. Co-efficient of performance

Identify the symbol.

  1. Single cell
  2. Battery
  3. Diode
  4. Connecting wire

Name the part marked X.

  1. Needle
  2. Strainer
  3. Bellow
  4. Spring

Rotary pump symbol is …..

How much temperature is maintained in the freezer of a refrigerator?

  1. 0oF
  2. 20oF
  3. 50oF
  4. 5oF

EMPLOYABILITY SKILLS

What is required for effective communication?

  1. Keep Talking
  2. Listen and talk carefully
  3. Listen carefully
  4. Keep Listening

If a factory manager get big order to deliver but there are shortage of workers. In that situation, the manager will _______

  1. Request workers to work extra hours
  2. Ignore the problem
  3. Cancel the orders
  4. Stop working

___________ is a code of behaviour that is based on respect, values and professionalism.

  1. Experience
  2. Education
  3. Workplace etiquette
  4. Business

Which of the following behaviours is not a characteristic of a team player?

  1. Listening to teammates' ideas
  2. Respecting different viewpoints
  3. Willingness to help others
  4. Taking credit for others' work

Which website has an ‘Idea Bank’? where you can find a list of multiple problems faced by the country now?

  1. Start-up India
  2. Google
  3. Firefox
  4. Yahoo

Which of the following is a good work habit?

  1. Not following workplace rules
  2. Choosing easy tasks
  3. Getting tensed when work is challenging
  4. Not giving up when something goes wrong

Magnificent, sharp, lengthy, bright, - are examples of ______

  1. describing words
  2. action words
  3. pronouns
  4. nouns

Ways in which you can improve your technology Skills?

  1. Reading books
  2. Handwork
  3. Social service
  4. Social media, Online digital tools

You are requested to complete the given assignment by Monday This is an example of _______

  1. informal communication
  2. formal communication
  3. a request
  4. an order

What should be avoided during an interview?

  1. Answer clearly and loudly
  2. Look somewhere and answer
  3. Greet the employer with a smile
  4. Maintain eye contact

What is required to get the feed back of your customers?

  1. Market survey
  2. Advertisement on TV
  3. Brochure
  4. Bill boards

Which of the following is a green practice?

  1. Grow plants wherever possible
  2. Using high power air conditioners
  3. Not using plastic containers
  4. Not separating recycle waste

When a person joined a new company, he may be nervous using digital tablets provided at work. That time he shall ________

  1. Complain to his manager.
  2. Quit his job.
  3. Keep an open mind and ask his coworkers to teach him.
  4. Ask his coworkers to do all the digital work.

What is an important future workplace skill for employees?

  1. Networking and relationship-building
  2. Doing paperwork
  3. Doing manual work
  4. Planning holidays

One of the informations in an informal conversation with a co-worker is _________

  1. asking about their house.
  2. asking about the office timing.
  3. asking about their roles in the company.
  4. asking about their experience.

Why is it good to think about what you learn?

  1. It helps to remember and understand better.
  2. It improves handwriting.
  3. It's a good time pass
  4. All are doing

In an email, where will you add the recipient email address whom you want to send the copy of an email?

  1. To
  2. Subject
  3. CC
  4. Bcc

Which of the following is a people skills required in a workplace?

  1. Driving skills
  2. Work alone
  3. Being kind & Listening
  4. Technical Skills

Which app is a widely used for screen casting from your mobile phone?

  1. Webcast
  2. Facebook
  3. WhatsApp
  4. Mobizen

Complete the sentence with suitable describing words

  1. good
  2. beautiful
  3. big
  4. spacious

Find the Entrepreneur from the given options.

  1. RBI Governor
  2. SBI CEO
  3. Anand Mahindra
  4. Cabinet Secretary

Which of the following statements shows good teamwork?

  1. Ignoring others' ideas and opinions
  2. Criticizing teammates' efforts
  3. Working together towards a common goal
  4. Keeping all ideas to yourself

While applying for a position as fitter, which of the following email subject lines would be the most suitable?

  1. Fitter Job needed
  2. Urgent Attention Needed
  3. Applying for a new Job
  4. Application for Fitter Position - [Your Name]

Which is a regular, non- APP based Gig economy job opportunity?

  1. Dunzo
  2. Uber
  3. Home catering
  4. Swiggy

A resume should be _______

  1. having acronyms and abbreviation
  2. bold and colourful
  3. short and precise
  4. having long and detailed information

This website uses cookies to ensure you get the best experience. By continuing to use this site, you accept our Terms and Conditions And Privacy Policy.

        Select language: