Q. Air-petrol ratio for maximum power generation in spark ignition engine is about

View solution

Q. Which of the following varies as the square root of oil pressure during atomisation of fuel oil through a pressure jet burner ?

View solution

Q. Gantt charts are used for streamlining the

View solution

Q. In the Bayer's process, bauxite is digested under pressure using

View solution

Q. Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot

View solution

Q. The substance used as a smoke screen in warfare is

View solution

Q. The same volume of all gases is representative of their

View solution

Q. In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet ?

View solution

Q. Enzymes belong to the category of

View solution

Q. What is the value of included angle of a triangular notch for maximum discharge ?

View solution

Q. For separating small pieces of metal from engine oil of a car, the best separating technique is the

View solution

Q. Dephosphorisation of molten pig iron is favoured by

View solution

Q. In a neutral solution

View solution

Q. Which of the following commonly used condenser tube materials has the lowest thermal conductivity?

View solution

Q. Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.

View solution

Q. A common disinfectant used in village wells for disinfection of water is

View solution

Q. Which of the following is an unconventional source of energy ?

View solution

Q. The product (s) of roasting of a sulphide ore is (are)

View solution

Q. Which of the following are considered applications of ultrasonic testing ?

View solution

Q. Suitability of steel for its use in cable is judged by its strength in

View solution