1. The reference fuels for knock rating of spark ignition engines would include A. iso-octane and alpha-methyl naphthalene…

1. The example of snag grinding is A. trimming the surface left by sprues and risers on castings…

1. Segmental chips are formed during machining A. mild steel B. cast iron C. high-speed steel D. high…

1. The centrifugal compressors are generally used for refrigerants that require A. small displacements and low condensing pressures…

1. The wet bulb temperature during sensible heating of the air A. remains constant B. increases C. decreases…

1. A compound pipe of diameter d1, d2 and d3 having lengths l1, l2 and l3 is to be replaced by an equivalent pipe of uniform diameter d and of…

1. One liter of water occupies a volume of A. 100 cm3 B. 250 cm3 C. 500 cm3 D. 1000 cm3 2.…

1. According to Kelvin-Planck's statement of second law of thermodynamics, A. it is impossible to construct an engine…

1. All the commercial liquid fuels are derived from natural petroleum (or crude oil). A. True B. False…

1. The maximum or minimum value of the swaying couple is 2. For an involute gear, the ratio…