Chemical Engineering - Chemical Engineering Basics

36. 

For dynamic strain measurement, the wheatstone bridge used is of __________ type.

A. voltage sensitive null
B. voltage sensitive deflected
C. current sensitive deflected
D. none of these

Answer: Option B

Explanation:

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37. 

Which drug is made from vegetables ?

A. Pencilin
B. Aspirin
C. Quinine
D. Insulin

Answer: Option C

Explanation:

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38. 

Which of the following are made out of the carbon steel having carbon content of 0.9 to 1% ?

A. Small punches, broaches reamers and springs.
B. Cutlery, screws, rivets and files.
C. Mandrels, twist drills, small lathe tools and razors.
D. Forgings like can shaft, structural steel plate, threading dies and drawing dies.

Answer: Option A

Explanation:

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39. 

Material of construction of surveying metallic tapes is __________ which has low coefficient of expansion & enough strength.

A. constantan
B. invar
C. pewter metal
D. monel metal

Answer: Option B

Explanation:

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40. 

Welded joint is superior to revetted joint in respect of ease of fabrication, weight and strength. Which of the following joints is the most suitable for pipes carrying fluids under high pressure and temperature ?

A. Flanged joint
B. Expansion joint
C. Bell and spigot joint
D. None of these

Answer: Option B

Explanation:

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