A. High speed steel
B. High carbon steel
C. Forged steel
D. Mild steel
Related Mcqs:
- Cold chisel & hammers are made of_________________?
A. High speed steel
B. High carbon steel
C. Forged steel
D. Mild steel - The refractory lining of the bottom in a basic electric arc furnace is made of___________________?
A. Silica
B. Alumina
C. Magnesia
D. Fireclay - Absolute zero pressure can be attained at a temperature of___________________?
A. 0°C
B. 50°K
C. 0°R
D. None of these - Fog is an example of colloidal system of___________________?
A. Solid dispersed in gas
B. Solid dispersed in liquid
C. Liquid dispersed in gas
D. Gas dispersed in liquid - Fire refining process is employed in case of___________________?
A. Tin
B. Copper
C. Zinc
D. Aluminium - Moist air is cooled along the line of constant ________________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs ?
A. Enthalpy
B. Relative humidity
C. Wet bulb temperature
D. Dew point temperature - In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold fluid enters at 50°C & leaves at 70°C. The arithmetic mean temperature difference in this case is ______________ °C?
A. 20
B. 60
C. 120
D. ∞ - Hot & cold working of material causes its _______________ deformation?
A. Visco-elastic
B. Isotropic
C. Elastic
D. Plastic - Cold heading or upsetting is categorised as the ________________ process ?
A. Extrusion
B. Bending
C. Rolling
D. Forging - Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type________________?
A. Parallel flow with equal heat capacities
B. Counter flow with equal heat capacities
C. Counter flow with unequal heat capacities
D. Parallel flow with unequal heat capacities
