A. α-rays
B. β-rays
C. Gamma rays & neutrons
D. Electrons
A. y2 = 2k1t + k2
B. y = k1 ln (k2t + k3)
C. y = k1 t + k2
D. y = k1t3 + k2
A. Machinability
B. Density
C. Strength
D. Plastic deformation
Plastics as a material of construction suffer from the drawback of low_________________? Read More »
Chemical Engineering Basics A. Convection heat transfer by stirring the fluid and cleaning the heating surface
B. Conduction heat transfer by reduction in the material thickness and increase in the thermal
conductivity
C. Radiation heat transfer by increasing the temperature and reducing the emissivity
D. None of these
A. pH value
B. Electrode potential
C. Colour intensity
D. None of these
Colour comparator is used to measure the___________________? Read More »
Chemical Engineering Basics A. 1.5
B. 3
C. 5
D. 7
A. Upward thrust due to air
B. Viscous force exerted by air
C. Surface tension effects of water
D. Force of gravity
A. Tungsten carbide
B. High carbon steel
C. High speed steel
D. Drilling
Powder metallurgy technique is used in the production of ____________________ tools ? Read More »
Chemical Engineering Basics A. Dry air
B. Pure oxygen
C. Moisture
D. Sunlight
Chlorine acts as a bleaching agent only in the presence of ______________________? Read More »
Chemical Engineering Basics A. Increase the heat loss
B. Decrease heat loss and will have no effect beyond that
C. Decrease heat flux
D. Reduce convection heat loss compared to conduction heat less
Upto the critical radius of insulation, added insulation, will____________________? Read More »
Chemical Engineering Basics