Q. Galvanic corrosion can not be prevented by

View solution

Q. Fire in fuel gas pipelines is extinguished most effectively by

View solution

Q. Which of the following is the most suitable abrasive for grinding high tensile strength materials ?

View solution

Q. The most suitable material of construction for a sewer to carry sewage under high pressure is

View solution

Q. Filler material used in welding should have __________ as compared to the parent metal to be welded.

View solution

Q. Oxygen cylinders used for autogenous (cutting/welding) purposes are

View solution

Q. Identify the correct statement.

View solution

Q. Dowtherm is a

View solution

Q. In chemical dehumidification process

View solution

Q. Secondary hardening in steels arises out of the

View solution

Q. Drills are usually made of

View solution

Q. Tumbling is the process of improving the __________ of the materials/parts.

View solution

Q. The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost double.

View solution

Q. __________ circuit is most commonly used to measure strain with the help of a strain gauge.

View solution

Q. Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines ?

View solution

Q. __________ is a special constituent of chlorophyll without which photosynthesis is not possible.

View solution

Q. __________ is used as a material of construction for the blade of power saw.

View solution

Q. During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to

View solution

Q. With increase in annealing temperature, the following defect density decreases.

View solution

Q. Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

View solution