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ITI Previous Papers Maintenance Mechanic (Chemical Plant) (NSQF)

PREVIOUS YEAR PAPER
TRADE NAMEMaintenance Mechanic (Chemical Plant) (NSQF)
TRADE TYPEEngineering
YEAR2020-2022
EXAM DATE2022-08-21
EXAM TIME15:00:17:00
Question Paper MOCK TEST

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TRADE THEORY

What is the main application of reciprocating compressor?

  1. Supplying high pressure clean air
  2. Supplying low pressure clean air
  3. Supplying moderate pressure and dust air
  4. Supplying dust air

Which pump is self priming and valveless?

  1. Lobe pump
  2. Centrifugal pumps
  3. Diaphragm pump
  4. Reciprocating pumps

Which packing is commonly used in column?

  1. Pall ring
  2. Berl saddle
  3. Racing ring
  4. Ceramic

Which gear can be used for power transmission in intersecting shafts?

  1. Bevel gear
  2. Worm gear
  3. Spur gear
  4. Helical gear

Which one is used to support the rotating shaft?

  1. Bearings
  2. Coupling
  3. Clamps
  4. Screws

Which equipment is suitable for fine size material?

  1. Shaking screen
  2. Vibrating screen
  3. Trummels
  4. Grizzly

Which filter is used for continous mode of filteration?

  1. Plate and frame filter
  2. Rotary vacuum filter
  3. Leaf filter
  4. Nutella filter

Why foot valves are provide in the suction line in centrifugal pump?

  1. Control the liquid discharge
  2. To minimize the fluctuation
  3. To remove the contaminent
  4. To avoid priming

What is the maximum depth to draw a water in centrifugal pump?

  1. 34 feet
  2. 80 feet
  3. 100 feet
  4. 150 feet

Which is called liquid opposes relative motion between its different layers?

  1. Viscocity
  2. Surface tension
  3. Osmosis
  4. Co-efficient of viscocity

How the centrifugal pump is classified?

  1. RPM
  2. Number of blades in impeller
  3. Type of casing
  4. Impeller blade angle

Which type of gear used to convert rotary motion into translating motion?

  1. Spiral bevel gear
  2. Worm and wheel
  3. Rack and Pinion
  4. Crown gear

Which stress is produced in a belt?

  1. Compressive stress
  2. Tensile stress
  3. Shear stress
  4. Both tensile and compresive

Which impellers are used for wide range of viscocities

  1. Propeller
  2. Special impeller
  3. Turbine
  4. Paddle

Which is used to move large amount of gas with low increase in pressure?

  1. Fan
  2. Pumps
  3. Compressor
  4. Blower

Why the ball bearings are provided with a cage?

  1. To facilitate slipping of balls
  2. To prevent the lubricant from flowing out
  3. To maintain the balls at a fixed distance
  4. To reduce friction

What is the use of axial fans?

  1. For low flow,high hand
  2. High hand,large flow
  3. Low flow,low head
  4. For large flow,low head

What is the effect of increase in speed at a given pressure in a centrifugal compressor?

  1. Increase in flow and decrease in efficiency
  2. Decrease in flow
  3. Increase in flow
  4. Increase in efficiency

Which lubrication method invloves gravity feed?

  1. Grease lubrication
  2. Splash lubrication
  3. Ring lubrication
  4. Wick lubrication

Which valve is used to keep equipment remain open or close for a long time?

  1. Ball valve
  2. Gate Valve
  3. Plug Valve
  4. Butterfly valve

What is the use of chain slings?

  1. Medium loads
  2. Heavy loads
  3. Light loads
  4. For vertical load

What is the use of idler pulley?

  1. Applying tension
  2. Increasing velocity ratio
  3. Changing the direction of motion of belt
  4. Loosen the tension

What is the function of air filter?

  1. Removal of moisture in air
  2. Removal of light in air
  3. Removal of heat in air
  4. Removal of dust in air

Which steam is temperature higher than its boiling point?

  1. Dry steam
  2. Super heated steam
  3. Low pressure steam
  4. Wet steam

How to prevent the cavitation in centrifugal pump?

  1. Suitably designing the pump
  2. Maintaining the suction head greater than vapour pressure
  3. Maintaining suction head lower than the vapour pressure
  4. Maintaining suction head equal to developed head

Which air compressor is best suited for large quantiy of air at high pressure?

  1. Blower
  2. Centrifugal compressor
  3. Axial flow air compressor
  4. Reciprocating air compressor

What is the name of the evaporator?

  1. Basket-type evaporator
  2. Climbing film evaporator
  3. Short tube vertical evaporator
  4. Falling film evaporator

What is the purpose of using double pipe heat exchanger?

  1. Heat transfer area required is very high
  2. Because it occupied less floor area
  3. Because it is less costly
  4. Heat transfer area required is very low

Which property involves shock and impact loads?

  1. Brittleness
  2. Stiffness
  3. Toughness
  4. Strength

How the air produced in mechanical draft cooling tower?

  1. Propeller fans
  2. Air blowers
  3. Centrifugal fans
  4. Compressors

What is the use of preventive maintenance?

  1. Repairing easy
  2. Reduce repairing time
  3. Weakness redesigned
  4. Reduce the risk of breakdown

What is the position of delivery valve while starting centrifugal pump?

  1. Closed
  2. Depending on the fluid viscocity
  3. It does not make any difference
  4. Opened

What is the function of baffels in shell and tube heat exchanger?

  1. Facilitate the cleaning of outer tube surface
  2. Enchance turbulance
  3. Because it is less costly
  4. Hold the tubes in position

Which pump is used for pumping viscons fluids?

  1. Screw pump
  2. Centrifugal pumps
  3. Reciprocating pumps
  4. Jet pump

Which refrigerator is used in domestic refrigerator?

  1. Ammonia
  2. CO2
  3. Oxygen
  4. R-12

Which is an antifriction bearing?

  1. Roller bearing
  2. Pedestal bearing
  3. Collar bearing
  4. Journal bearing

Which type of coupling is used to join two shafts whose axis intersect at a small angle?

  1. Muff coupling
  2. Flange coupling
  3. Flexible coupling
  4. Universal coupling

Where is total pressure rise in the centrifugal compressor?

  1. In the diffuser only
  2. In the inlet guide vanes only
  3. In the impeller only
  4. In the impeller and diffuser

What is the other name for the plug valve?

  1. Needle valve
  2. Spool valve
  3. Slim valve
  4. Poppet valve

What is the minimum speed at ball will operates?

  1. Threshold speed
  2. Critical speed
  3. Cumulative speed
  4. Optimum speed

Which coolant used for heavy cutting works?

  1. Cutting oils
  2. Coconut oils
  3. Kerosene
  4. Diesel

Which is the sliding stem type control valve?

  1. Diaphragm valve
  2. Ball valve
  3. Butterfly valve
  4. Globe valve

Which instrument is used to check horizontal and vertical level of the machine?

  1. Meter scale
  2. Block sprit level
  3. Vernier height gauge
  4. Vernier level protractor

What is the use of mechanical seals?

  1. To prevent vibration
  2. To balance the equipment
  3. To prevent leakage
  4. To reduce friction

WORKSHOP CALCULATIONS AND SCIENCE

Which hand book referred by machine engineer?

  1. Oxford Dictionary
  2. CRC
  3. Mark standard
  4. Parry's cheorikal

What is a total cost?

  1. Raw material cost only
  2. Machining cost only
  3. Raw materials cost and machining cost
  4. Advertisement cost only

What is the term, for the details of materials, brand name, grade of quality, rating of current and voltage etc.?

  1. Specification of materials
  2. Price catalogue
  3. Drawing
  4. Raw materials

What is the other term of pocket reference in engineering works?

  1. Hand book
  2. Good book
  3. Hand tool
  4. New book

Which one of the following acts in between the wheels and roads, if vehicles are able to run on roads?

  1. Friction
  2. Motion
  3. Erosion
  4. Corrosion

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

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

EMPLYABILITY SKILLS

Listening of songs to derive pleasure only comes under_____

  1. comprehensive listening
  2. appreciative listening
  3. therapeutic listening
  4. critical listening

When a person is given information about how he/she is doing in an effort to reach a goal, it is called…

  1. feedback
  2. frightening
  3. verification
  4. argument

"The announcement ………… yesterday was unnecessary" complete the sentence with appropriate word.

  1. was made
  2. will make
  3. make
  4. made

A person who is associated with the starting of a business is called…

  1. Merchant
  2. Sales Executive
  3. Entrepreneur
  4. Businessman

Complete these sentence with suitable describing words The roads in my town are in ________ condition.

  1. expensive
  2. safe
  3. beautiful
  4. good

___________ registration would help to access the schemes introduced by the Government.

  1. TIN
  2. Pan card
  3. GST
  4. Udyog Aadhaar

Use the correct preposition to complete the sentence I will meet you______ the 3rd week ____ January

  1. at, on
  2. at, of
  3. on, at
  4. in, of

Which of the following is not a resource?

  1. Profit earned
  2. Loss in business
  3. Customer database
  4. Raw materials

What is to be avoided during Group Discussion?

  1. Be relevant
  2. Move aggressively
  3. Be a listener
  4. Take initiative for discussion

Magnificent, sharp, lengthy, bright,- are examples of….

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

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

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

Which one is a good communication?

  1. receiver doesn't understand
  2. message is ambiguous
  3. sender attacks receiver
  4. message is clear and direct

What will not be displayed in the slide during presentation?

  1. Slide heading
  2. Objects in the slide
  3. Speaker's Note
  4. Slide nos.

If we do not learn how to control _______, it can spoil relationships.

  1. people
  2. others
  3. laughter
  4. anger

Which one is the describing word from among the words given?

  1. Water
  2. Pull
  3. Magnificent
  4. Mobile phone

Negative feedback is usually given….

  1. neutral
  2. constructively
  3. discouragingly
  4. to hurt the receiver

What is the basic requirement for IT related work?

  1. Computer
  2. IT companies
  3. Browsing
  4. Internet

Always -------------- your mobile phone ----- silent mode.

  1. keep, of
  2. know, of
  3. keep, in
  4. know, in

Which one is a passive voice verb?

  1. Write
  2. Was written
  3. Walk
  4. Express

Which one is a key skill to be used for a Market survey?

  1. Communication
  2. MBA Degree
  3. Computer knowledge
  4. Appearance

We use Google maps to follow_____ to reach a place

  1. direction
  2. demark
  3. distance
  4. destination

Singular form of ;devices" is….

  1. Divise
  2. Device
  3. Divice
  4. Devise

The practice of using a network of remote servers  hosted on the internet to store, manage and process data is called_____

  1. Google
  2. Yahoo
  3. Search Engine
  4. Cloud computing

What is the primary requirement to register NAPS portal?

  1. Valid Email ID
  2. Pan Card Number
  3. Aadhaar card Number
  4. Your mobile Number

What term refers to maintaining the quality and ability of something at a certain level?

  1. Quality control
  2. Measuring instrument
  3. Climate
  4. Sustainable

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