A. 0°K to 123°K
B. 0°C to – 123°C
C. 0°C to – 273°C
D. 0°K to 273°K
Related Mcqs:
- High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from _______________ percent ?
A. 5 to 10
B. 15 to 25
C. 45 to 50
D. 75 to 80 - The boiling & freezing points on a newly defined temperature scale in degree ‘D’ are 400°D & 100°D respectively. The temperature reading corresponding to 60°C on this new temperature scale will be equal to _____________ °D ?
A. 140
B. 180
C. 240
D. 280 - Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called_______________________?
A. Tempering
B. Hardening
C. Annealing
D. Normalising - The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K) ?
A. T
B. 1/T
C. T2
D. 1/T2 - Which of the following is a commonly used manometric liquid for low pressure range ?
A. Ethyl alcohol
B. Carbon tetrachloride
C. Glycerol
D. Ethylene glycol - Transformation range for ferrous material is the temperature interval during which ___________________ is formed during its heating?
A. Cementite
B. Austenite
C. Martensite
D. Pearlite - Hot extrusion of aluminium is done in the temperature range of ________________ °C ?
A. 550-600
B. 450-500
C. 350-400
D. 250-300 - What is the range of tempering temperature (°C) for most of the materials ?
A. 75-100
B. 200-300
C. 350-450
D. 500-600 - Density in the solid state is slightly less than that in its liquid state, in case of____________________?
A. Carbon dioxide
B. Water
C. Mercury
D. None of these - L.D. (Linz-Donawitz) converter is used in the production of____________________?
A. Copper
B. Steel
C. Zinc
D. Aluminium
