Q. Bad odour in sanitary latrines is reduced by periodically sprinkling

View solution

Q. __________ has the highest melting point out of the following.

View solution

Q. The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

View solution

Q. Annealing of cast iron

View solution

Q. A dummy activity is used in PERT network to describe the

View solution

Q. Which of the following is not a characteristic observed in material failure by fatigue fracture ?

View solution

Q. A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.

View solution

Q. Current employed in resistance welding ranges from __________ kVA/cm² .

View solution

Q. Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________ gms of zinc per m² of steel strip.

View solution

Q. Chlorine acts as a bleaching agent only in the presence of

View solution

Q. Corona discharge is related to the operation of a/an

View solution

Q. Plastics as a material of construction suffer from the drawback of low

View solution

Q. 'Cryogenics' is concerned with the generation & use of low temperature in the range of

View solution

Q. The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the

View solution

Q. Which of the following materials has the maximum shrinkage allowance ?

View solution

Q. Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.

View solution

Q. Yield strength of a material is determined by the __________ test.

View solution

Q. In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are.

View solution

Q. Window panes of aeroplanes are normally made of

View solution

Q. __________ flux is used for the extraction of metal from its self fluxing ores.

View solution