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Physics(General Knowledge)

Description: micrometers,multimeter, triac, pulse transformer
Number of Questions: 25
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Tags: micrometers multimeter triac pulse transformer Physics Branches of Science Purpose Questions Based on Given Information Specific Detail
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Plug gauge is used for ______.

  1. checking hole size

  2. checking overtly

  3. fitting size

  4. taper checking


Correct Option: A

Surface plate is commonly used for checking _______.

  1. surface

  2. right angle

  3. angle

  4. height


Correct Option: A

Teeth setting of blade in hacksaw is ________.

  1. forward

  2. backward

  3. upwards

  4. downwards


Correct Option: A

The process of joining slip gauge is known as _______.

  1. fitting

  2. rubbing

  3. ringing

  4. rubbing and ringing


Correct Option: C

Bench vice spindle has ___________.

  1. v-threads

  2. buttress thread

  3. square thread

  4. acme thread


Correct Option: C

Teeth setting on hacksaw blade is _________.

  1. to reduce friction while cutting

  2. just for design

  3. for wider and deeper cut

  4. none of these


Correct Option: C

The least count of vernier bevel protractor is ________.

  1. 5 seconds

  2. 10

  3. 5 minutes

  4. 900


Correct Option: C

Main function of the coolant is

  1. to keep the cutting tool & job cool, while cutting

  2. to increase the speed of machine

  3. to provide a slippery layer between moving parts

  4. to provide free movement to various parts of the machine


Correct Option: A

Claw hammer is mostly used in ________.

  1. fitter trade

  2. tool and die trade

  3. black smithy trade

  4. carpenter trade


Correct Option: D

What is the use of thread pitch gauge?

  1. To check the pitch and angle of thread

  2. To check the thickness of thread

  3. To check the gap of thread

  4. To check the size of bolt


Correct Option: A

Lip clearance angle in a drill is at ________.

  1. 450

  2. 300

  3. 250

  4. 150


Correct Option: D

Main function of the bearing is _____.

  1. to move shaft with more speed

  2. to stop shaft immediately

  3. to support shaft, hold it, guide it and to reduce the heat generated due to friction

  4. all of these


Correct Option: C

What is the reason for oversize drilled job?

  1. Lip clearance angle is more than required

  2. Lip clearance angle is less than required

  3. Dead centre is blunt

  4. Cutting angle is not equal on both the sides of the centre


Correct Option: D
Explanation:

Correct answer is (4). 

On lathe, to support heavy rods while turning, we use _______.

  1. dead centre

  2. tail stock

  3. steady

  4. carrear


Correct Option: A

Depth of B.I.S. thread is ______.

  1. 0.6403 P

  2. 0.6000 P

  3. 0.6134 P

  4. 0.7035 P


Correct Option: A

B.S.W. Thread has thread angle of _______.

  1. 370

  2. 450

  3. 550

  4. 600


Correct Option: C

Micrometers have least count of ______.

  1. 0.02 mm

  2. 0.1 mm

  3. 0.01 mm

  4. 0.001 mm


Correct Option: C

Tampering is a process in which _______.

  1. brittleness of metal is reduced and toughness is increased

  2. cutting edge is sharpened

  3. cutting edge is hardened

  4. cutting edge is checked by templet


Correct Option: A

The full scale deflection of ohm scale in a multimeter reads _______.

  1. zero

  2. infinite

  3. maximum

  4. minimum


Correct Option: A

The forward resistance of crystal will be _________ its reverse resistance.

  1. much higher than

  2. much less than

  3. equal to

  4. not equal to


Correct Option: C

Sine bar is an instrument used for an accurate measurement of

  1. length of the job

  2. angles

  3. diameter of the job

  4. depth of the hole


Correct Option: B
Explanation:

Correct answer is (2). 

Out side Calliper is used to measure _______.

  1. 900 angle of the job

  2. out diameter of a round the job

  3. inside diameter of a round the job

  4. all of these


Correct Option: B

Vernier height gauge is used to measure _______.

  1. height of the job

  2. marking on the job

  3. to measure all dimensions of the job

  4. none of these


Correct Option: A

Reverse resistance of a diode is of the order of _______.

  1. kilo ohm

  2. ohm

  3. mega ohm

  4. � ohm


Correct Option: C

Positive feed back is used in ________.

  1. high gain amplifier

  2. low gain amplifier

  3. oscillator

  4. simple gain amplifier


Correct Option: C
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