A. Makes it potable
B. Makes it non-potable
C. Means distillation of water
D. None of these
Advertisement
Related Mcqs:
- Plastics as a material of construction suffer from the drawback of low_________________?
A. Machinability
B. Density
C. Strength
D. Plastic deformation - Iron content in Indian iron ore is about _________________ percent?
A. 80-85
B. 60-65
C. 40-45
D. 20-25 - _________________ furnace is generally used in the non-ferrous foundries ?
A. Direct arc
B. Indirect arc
C. Resistance
D. Induction - Normalising of a casting does not__________________?
A. Induce stresses in it
B. Refine its grain structure
C. Reduce segregation
D. Improve its mechanical properties - Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting) ?
A. V/A
B. V/A2
C. V2/A
D. V2/A2 - At absolute zero temperature, for any reaction involving condensed phases ?
A. Δ G° = 0 , Δ H° = 0
B. Δ H° = 0 , Δ S° = 0
C. Δ S° = 0 , Δ E° = 0
D. Δ S° = 0 , Δ Cp° = 0 - Pick out the wrong conversion of absolute & kinematic viscosities ?
A. 1 stoke = 1 cm2/sec
B. 1 N.sec/m2 = 10 paise
C. 1 stoke = 1 m2/sec
D. 1 m2/sec = 104 stokes - The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by (T1 – T2)/T1. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T1 and T2 is given by_________________?
A. T1/(T1-T2)
B. T2/(T1-T2)
C. T1/T2
D. T2/T1 - ______________ is not used as the control rod material in a nuclear reactor ?
A. Cobalt
B. Hafnium
C. Cadmium
D. Boron - Lead is added to 60:40 brass primarily to improve_________________?
A. Machinability
B. Corrosion resistance
C. Fluidity
D. Strength
Advertisement