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.Management Sciences
Category: Chemical Engineering Basics
A 2 kg object weighs 1.8 kgf on a spring balance. The value of ‘g’ at that location in m/sec2 is___________________?
0
A. 8.82
B. 9.81
C. 10.88
D. 0.95
Which of the following terminology is used for the temperature at which new grains are formed in a metal ?
A. Eutectic temperature
B. Lower critical temperature
C. Recrystallisation temperature
D. Upper critical temperature
Capacity & power requirement for an air compressor working at high altitude compared to sea-level will be_______________?
A. More
B. Less
C. Same
D. Either more or less; depends on the climatic conditions
Nickel and ______________ are the alloying element added in steel to increase its toughness?
A. Molybdenum
B. Chromium
C. Vanadium
D. Silicon
Stresses encountered in the metal forming processes are less than the _____________ of the material?
A. Fracture strength
B. Yield strength
C. Elastic limit
D. Limit of proportionality
To counteract the bad effects of strain hardening on a cold formed part, it must be ______________________?
A. Tempered
B. Normalised
C. Annealed
D. Hardened
During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to____________________?
A. Time
B. Square root of time
C. Square of time
D. Cube of time
The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the _______________ allowance ?
A. Casting
B. Pattern
C. Draft
D. Distortion
With increase in annealing temperature, the following defect density decreases?
A. Vacancy
B. Dislocation
C. Grain boundary
D. All of these
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