35) Best conductor of heat and electricity is

Nickel

Copper

Chromium

Aluminium

Answer is:

Copper

Explanation:

Key Properties of Copper
Excellent heat conductivity.
Excellent electrical conductivity.
Good corrosion resistance.
Good biofouling resistance.
Good machinability.
Retention of mechanical and electrical properties at cryogenic temperatures.
Non-magnetic

Best conductor of heat and electricity is

ITI Fitter Question Paper 2017 Fourth Semester (Set - 1) with Answer Key

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37) The included angle for the V belt is usually in degrees

10 to 20

20 to 30

30 to 40

60 to 80

Answer is:

30 to 40

The included angle for the V belt is usually in degrees

38) The size of gear is usually specified by

Pressure angle

Circular pitch

Diametrical pitch

PCD

Answer is:

PCD

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

Open

Cross

Diagonal

None of these

Answer is:

Open

Explanation:

In open belt drive both driving and driven pulleys rotate in the same direction. In cross belt drive both driving and driven belt moves in the opposite direction.