Discussion
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- Question
Chromium molybdenum steel can not be welded using __________ welding.
Options- A. thermit
- B. electrical resistance
- C. oxy-acetylene
- D. any of these
- Correct Answer
- electrical resistance
- 1. Which of the following is not an explosive?
Options- A. TNT
- B. CMC
- C. RDX
- D. Lead azide Discuss
- 2. Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)
Options- A. A
- B. l
- C. A2
- D. both 'a' & 'b' Discuss
- 3. Absolute zero pressure can be attained at a temperature of
Options- A. 0°C
- B. 50°K
- C. 0°R
- D. none of these Discuss
- 4. Area under the stress-strain curve upto the __________ is referred to as the modulus of resilience.
Options- A. yield strength
- B. elastic limit
- C. proportional limit
- D. maximum point Discuss
- 5. The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.
Options- A. hard
- B. soft
- C. silicon carbide
- D. aluminium oxide Discuss
- 6. Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.
Options- A. 10-3
- B. 103
- C. 10-15
- D. l015 Discuss
Chemical Engineering Basics problems
Search Results
Correct Answer: CMC
Correct Answer: both 'a' & 'b'
Correct Answer: 0°R
Correct Answer: proportional limit
Correct Answer: aluminium oxide
Correct Answer: 10-3
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