A. °R = 273 + °F
B. Temperature difference of 1°K = 1°C = 9/5°F
C. °C = (F- 32) × 0.555
D. °F = (°C + 17.778) × 1.8
Related Mcqs:
- Pick out the wrong unit conversion of heat transfer rate?
A. 1 kcal/hr= 1.163 Watt
B. 1 Watt = 1.163 kcal/hr
C. 1 BTU/ft2.hr = 2.712 kcal/m2.hr
D. 1 kcal/m2.hr = 0.3687 BTU/ft2.hr = 1.163 Watt/m2 - Pick out the wrong unit conversion of thermal conductivity ?
A. 1 BTU/ft2.hr.°F/ft = 1.488 kcal/m2. hr.°C/m
B. 1 BTU/ft2.hr.°F/inch = 1.488 kcal/m2. hr.°C/m
C. 1 kcal/m.hr.°C = 0.672 BTU/ft.hr.°F = 1.163 W/m. °K
D. 1 W/cm.°C = 85.985 kcal/m.hr.°C = 57.779 BTU/ft.hr.°F - Pick out the wrong unit conversion of heat transfer co-efficient?
A. 1 kcal/m2.hr.°C = 0.2048 BTU/ft2.hr. °F. = 1.163 W/m2.°K
B. 1 kcal/m2.hr.°K = 1.163 W/m2.°C
C. 1 W/m2.°C = 0.1761 BTU/ft2.hr.°F.
D. 1 BTU/ft2.hr.°F = 4.88 kcal/m2.hr.°C = 20.44 kJ/m2.hr°C = 5.678 W/m2.°C - Pick out the wrong unit conversion of calorific value?
A. 1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg
B. 1 BTU/ft3 = 8.9 kcal/m3 = 0.038 MJ/m3
C. 1 BTU/lb = 2.3 kcal/kg
D. 1 kcal/m3 = 0.1124 BTU/ft3 - Pick out the wrong unit conversion of mass transfer co-efficient?
A. 1 lb/hr.ft3.atm. = 4.8182 kg/hr.m2.bar
B. 1 kg/hr.m2.atm= 0.98687 kg/hr. m .bar
C. 1 lb/hr.ft2 = 4.8823 kg/hr.m2
D. 1 kg/hr.m2 = 4.8823 lb/hr.ft2 - Pick out the correct conversion?
A. 1 BTU =453.6 calories
B. 1 BTU = 252 calories
C. 1 calorie = 252 BTU
D. 1 calorie = 453.6 BTU - Pick out the wrong statement?
A. Atomic heat capacities of the crystalline solid elements are nearly constant and equal to 6.2 kcal/kg-atom according to the law of Petit and Dulong
B. Atomic heat capacities of all solid elements decrease greatly with decrease in temperature, approaching a value of zero at absolute zero temperature, when in the crystalline state
C. Generally, the heat capacities of compounds are lower in the liquid than in the solid state
D. The heat capacity of a heterogeneous mixture is an additive property, but when solutions are formed, this additive property may no longer exist - Pick out the wrong statement about the recycle stream in a process ?
A. Recycling in a process stream helps in utilising the valuable reactants to the maximum with
minimum loss of reactants
B. The ratio of the quantity of a reactant present in the reactor feed of a recycling operation to the
quantity of the same reactant entering the process as fresh feed is called combined feed ratio
C. Recycling in a process does not help in getting higher extent of reaction
D. Recycling is exemplified by refluxing back a part of the distillate to the distillation column to
maintain the quantity of liquid within the column - Pick out the wrong statement?
A. Clausius-Clapeyron equation relates the latent heat of vaporisation to the slope of the vapor pressure curve
B. At the boiling point of liquid at the prevailing total pressure, saturated absolute humidity is infinite
C. Percentage saturation and relative saturation are numerically equal for an unsaturated vapor gas mixture
D. Clapeyron equation is given by dP/dT = (λ/T) (VG – VL); where, P = vapor pressure, T = absolute temperature, λ = latent heat of vaporisation, VG and VL = volumes of gas and liquid respectively - Pick out the wrong statement?
A. Ten times dilution of a normal solution (N) reduces its normality to N/10
B. When equal weights of oxygen and methane are mixed in an empty reactor at room
temperature, then the fraction of total pressure exerted by the oxygen is 1/2
C. Volume occupied by 9.034 x 1023 atoms of oxygen in ozone (O3) at NTP will be 11200 c.c
D. One kg mole of an ideal gas at N.T.P occupies 22400 Nm3
