76.

77.

78.

79.

80.

81.

82.

83.

84.

220/23

What is the least count of depth micrometer ?
A) 0.02 mm B) 0.001 mm C) 0.01 mm D) 0.1 mm

Which instrument is used to measure the diameter of holes and the distance
between internal parallel surfaces like slots ?

A) Depth micrometer B) Inside micrometer
C) Depth bar D) Vernier caliper

In which instrument the distance or the measurements are read from LCD/LED
display ?
A) Digital caliper B) Depth gauge C) Vernier caliper D) Dial caliper

In a vernier caliper, the main scale divisions (9 mm) are divided into 10 equal parts
in the vernier scale. What is the least count of this vernier caliper ? Here one main
scale division is (1 mm).

A) 0.02 mm B) 0.1 mm C) 0.01 mm D) 0.001 mm

Which device is fitted on micrometers to ensure uniform pressure between the
measuring faces of the micrometer while measuring ?

A) Anvil B) Spindle C) Ratchet stop D) Barrel
Which is the personal safety ?

A) Keep the machine clean B) Concentrate on your work

C) Keep the gang way and floor clean D) Sweep away the metal cuttings
Which is the immediate life saving procedure ?

A) First aid 8) Call a doctor

C) Intensive care D) Medical treatment

What ‘A’ denotes in ABC of ‘First aid’ ?

A) Air way B) Accident

C) Absent mind D) Avoid accident

Which of the following activity to be performed for better up keep of working
environment ?

A) Crack practical jokes while on work

) Cleaning the shop floor

C) Leave the machines which is in motions
D) Do not use adequate light in the workshop

ಥ್ರ

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