Related Questions

Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the tops of parked cars, even when the air temperature is above freezing. This condition happens because the tops of the cars are cooling by:
A Conduction
B Convection
C Latent heat
D Radiation
The state which tops in production of mustard seed is?
A Maharashtra
B Rajasthan
C Uttar Pradesh
D Gujarat
The country which tops in the production of cocoa is ________.
A Ghana
B Brazil
C Ivory Coast
D Nigeria
Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex?
A Ammonium alum
B Potassium alum
C Both A & B
D Neither A nor B
Styrene-butadiene-rubber (SBR) as compared to natural rubber has
A Poorer tensile strength
B Poorer resistance to oxidation
C Greater amount of heat build-up under heavy loading
D All of the above
Styrene butadiene rubber (SBR) as compared to natural rubber has
A Poor tensile strength
B Poorer resistance
C Greater amount of heat build up heavy loading
D All of the above
The tree tops on the distant horizon are all red ____ the rays of the setting sun.
A on
B to
C from
D with
The difference of heights of the tunnels above rail tops of BG and MG tracks is kept
A 0.30 m
B 0.45 m
C 0.60 m
D 0.75 m
The country which leads in the production of rubber is ________
A Australia
B Indonesia
C Malaysia
D Thailand
In the world production of natural rubber, India ranks ________
A Second
B Third
C Fourth
D Fifth

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