Q. Lead is added to 60:40 brass primarily to improve

View solution

Q. Air intake for an air compressor should be preferably taken from

View solution

Q. Current asset of a factory includes the

View solution

Q. If a solid is compressed adiabatically in its elastic range, its __________ remains constat

View solution

Q. 'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and

View solution

Q. On decreasing the grain size of a polycrys-talline material, the property most likely to deteriorate is

View solution

Q. It is possible to form martensite

View solution

Q. Which of the following material handling equipments is not suitable for moving materials in varying paths ?

View solution

Q. Multistage compression is necessary for high efficiency,

View solution

Q. __________ can not increase the fatigue strength of a material.

View solution

Q. If the head is doubled in & centrifugal pump, the power required will increase in the ratio of

View solution

Q. Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and

View solution

Q. Electrometallurgy is not involved in the extraction of __________ from its ore.

View solution

Q. The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.

View solution

Q. Material having negative co-efficient of linear expansion is

View solution

Q. Specific gravity of hot metal (pig iron) is __________ times that of the blast furnace slag.

View solution

Q. __________ is the hardest material out of the following.

View solution

Q. The phenomenon of weld decay is found in case of

View solution

Q. Glass reacts with

View solution

Q. The cost of providing service in a queing system decreases with the

View solution