A. Mild steel
B. Copper
C. Soft iron
D. Stainless steel
Related Mcqs:
- Lap joints are preferred over butt joints in soldering/brazing, because these joints are _________________?
A. Weaker in tension but stronger in shear
B. Weaker in shear but stronger in tension
C. Stronger in both shear and tension
D. The lap joints are easily made - ____________________ joint is mostly used for joining pipes carrying water at low pressure ?
A. Nipple
B. Socket
C. Union
D. Bell and spigot - A solution which resists change in its pH value on addition of acid/alkali is called the ____________________ solution?
A. Neutral
B. Ideal
C. Buffer
D. Zero pH - Brinell Hardness Number (BHN) for talc is approximately in the range of ____________________?
A. 1-5
B. 20-30
C. 100-150
D. 200-250 - Minimum thermal efficiency of a steam boiler may be around ____________________ percent ?
A. 25
B. 45
C. 65
D. 20 - Absolute zero temperature signifies the ____________________?
A. Minimum temperature attainable
B. Temperature of the heat reservoir to which a Carnot engine rejects all the heat that is taken in
C. Temperature of the heat reservoir to which a Carnot engine rejects no heat
D. None of these - The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume predicted by ideal gas law)____________________?
A. V1/V2
B. V2/V1
C. V1 – V2
D. V1.V2 - Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10-3 T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to – 100°C is ____________________?
A. 10.73 kJ
B. 16.15 kJ
C. 18.11 kJ
D. 18.33 kJ - Average molecular weight of air is about ____________________?
A. 21
B. 29
C. 23
D. 79 - If pH value of a solution is 8, then its pOH value will be ____________________?
A. 6
B. 1
C. 7
D. 10
