Related Questions

Classification of metal forming processes into hot and cold working is based on the following parameters.
A Stacking fault energy
B Recrystallisation temperature
C Solidus temperature
D Transformation temperature
In redesigning a cold storage, the length is increased by 30% , the breadth is increased by 50% and the height is reduced by 20% . what is the net increase in the volume of the redesigned cold storage compared to the previous design?
A 50%
B 56%
C 60%
D 40%
In redesigning a cold storage, the length is increased by 30%, the breadth is increased by 50% and the height is reduced by 20%. What is the net increase in the volume of the redesigned cold storage compared to the previous design?
A 50%
B 56%
C 60%
D 40%
In redesigning a cold storage, the length is increased by 30%, the breadth is increassed by 50% and the height is reduced by 20%. What is the net increase in the volume of the redesigned cold storage compared to the previous design?
A 50%
B 56%
C 60%
D 40%
The increase in hardness of metal due to its cold working is termed as the __________ hardening.
A Work
B Age
C Induction
D Flame
Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?
A 1 hour
B 2 hours
C 3 hours
D 4 hours
E 5 hours
Each of the following idioms is followed by some alternatives. Choose the one which best expresses its meaning : To blow hot and cold -
A To be inconsistent
B To be untrustworthy
C Changing weather
D To be rich and poor frequently
Choose the one which best expresses its meaning. To blow hot and cold
A Changing weather
B To be untrustworthy
C To be inconsistent
D To be rich and poor frequently
The hot resistance of the bulb's filament is higher than its cold resistance because the temperature coefficient of the filament is
A Zero
B Negative
C Positive
D About 2 ohms per degree
Cold working of metal increases
A Tensile strength
B Yield strength
C Hardness
D All of these

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