a) 1.2-1.53 mm b) 2.5-2.85 mm c) 0.5-0.85 mm d) 3.15-3.45 mm Answer: b Explanation: In I.C. ...
View QuestionWhich of the following has highest vaporizing temperature?
a) H.S.D. oil b) Petrol c) Water d) Kerosene Answer: a Explanation: Vaporization temperature is the temperature ...
View QuestionThe primary winding of ignition coil is made of ________
a) 1 mm diameter copper wire b) 0.8 mm diameter copper wire c) 0.6 mm diameter copper wire
View QuestionA leather belt 100 mm wide and 10 mm thick with a safe permissible stress of 1.5 MPa is used for transmitting a maximum power of 15 KW. If the density of belt material is 1 g/cm^3, the velocity of belt for maximum power transmission will be ________
A leather belt 100 mm wide and 10 mm thick with a safe permissible stress of 1.5 MPa ...
View QuestionDetermine the length of cross-belt of connecting two pulleys 4 m apart. The diameters of driving and driven pulleys are 1.25 m and 0.75 m respectively.
a) 12.36 m b) 11.35 m c) 14.28 m d) 13.27 m Answer: b Explanation: L ...
View QuestionA V-belt operates at 23.56 m/s peripheral speed. The mass of the belt per unit length is 0.9 kg/m. The value of centrifugal tension is _______
a) 514 N b) 523 N c) 500 N d) 599 N Answer: c Explanation: V ...
View QuestionWhile testing a wheat thresher at recommended throughout, 80 Nm torque is recorded at 750 rpm at the main shaft of the threshing cylinder, which is operated by a 200-mm diameter V pulley. The overload factor and unit mass of V-belt are 1.2 and 0.9 kg/m respectively. At condition of maximum power transfer the maximum tension in V-belt in N is ________
While testing a wheat thresher at recommended throughout, 80 Nm torque is recorded at 750 rpm at the ...
View QuestionTwo pulleys are connected by a belt. The sum of the diameter of two pulleys is 90 cm and while one makes 50 rpm, the other makes 20 rpm. What will be the diameters of the other pulley?
a) 14.1234 cm, 21.9876 cm b) 34.357 cm, 24.0473 cm c) 18.426 cm, 15.921 cm d) 64.2857 cm, ...
View QuestionIf a driven pulley is made to rotate at 350 rpm by a driving pulley of 0.3 m diameter, running at 1400 rpm, what will be the length of open belt drive when the pulleys are 2 m apart?
a) 7.14 m b) 6.45 m c) 8.88 m d) 10 m Answer: b Explanation: N1D1 = ...
View QuestionA counter shaft of engineering workshop is being driven by electric motor with the help of canvas belt and pulley arrangement such that the speed of belt is 600 m/min and it transmits 50 KW. What will be the difference between tensions on either side of the belt?
a) 10000 b) 100 c) 5000 d) 50 Answer: c Explanation: V = 600*10/60 = 10 ...
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