FITTER THEORY SEMESTER – 4 2017 JULY PART-3

FITTER THEORY SEMESTER – 4 2017 JULY MCQ PART-3

Melting temperature range of soft solder
a) 150-3 50 °c
b) 600-900 °c
c) 500-600°c

d) None of these

Answer: d) None of these

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Best conductor of heat and electricity
a) Nickel
b) Copper
c) Chromium

d) Aluminium

Answer: b) Copper

The standard taper of pin
a) 1:20

c) 1:40

b) 1:30
d) 1:50

Answer: a) 1:20

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The included angle for the V belt is usually in degrees _
a) 10 to 20

b) 20 to 30

c) 30 to 40

d) 60 to 80

Answer:

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The size of gear is usually specified by
a) Pressure angle

b) Circular pitch
c) Diametrical pitch

d) PCD

Answer: d) PCD

For shaft in parallel and rotating in same direction the belt drive used

a) Open

b) Cross

c) Diagonal

d) None of these

Answer: a) Open

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When close the pipe end is required fitting of_

a) Plug

b) Cap

c) Socket

d)Tee

Answer: a) Plug

The purpose of lubrication

a) To reduce friction

b) To reduce wear
c) Transfer heat produced

d) All of these

Answer: d) All of these

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The rolling contact bearings are known as

a) Thick lubricated bearings
b) Plastic bearings

c) Thin lubricated bearings

d) Antifriction bearings

Answer: d) Antifriction bearings

Radial distance of a gear tooth from the pitch circle to the top of the tooth is known as: -
a) Addendum

b)Dedendum.

c) Module

d) Pitch

Answer: a) Addendum

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