Q.65 In gears, angle of obliquity is the angle:Ans 1. between the direction of the force applied by the driving gear and the direction of the friction force.2. between the common normal to ...

Q.44 Among the following, the low grade energy is:Ans 1. Tidal energy2. Water energy3. Heat energy4. Wind energyCorrect Ans Provided: 3

Q.68 Plasticizers used in polymers generally have:Ans 1. high vapour pressure and high molecular weights2. high vapour pressure and low molecular weights3. low vapour pressure and high molecular weights4. low vapour pressure and low molecular weightsCorrect Ans ...

Q.76 The bearing that is used when heavy loads are to be carried with an oscillatory motion (e.g. piston pin bearings in heavy duty diesel engines), is :Ans 1. Cylindrical roller bearing2. Needle roller bearing3. Tapered roller bearing4. ...

Q.58 In an eutectic reaction:Ans 1. A solid solution melts at constant temperature to form one solid phase and two or more liquid phases.2. A liquid solution solidifies at constant temperature to form two or more solid phases.3. ...

Q.63 The work transfer during expansion in a constant volume process of a closed system has ___ value.Ans 1. non zero 2. always positive 3. zero4. always negative Correct Ans Provided: 3

Q.70 A clutch is operating under uniform wear, axial load of 500 N, friction coefficient of 0.3 and the mean radius of the contact surfaces 0.1 m. If the torque transmitted is 60 Nm, then the number of ...

Q.40 Among the following, which is NOT the reason for the irreversibility.:Ans 1. Friction2. Free expansion3. Isothermal heat transfer4. Paddle wheel work transferCorrect Ans Provided: 3

Q.55 During cyaniding :Ans 1. carbon and nitrogen are introduced into the surface of steel2. carbon and sulphur are introduced into the surface of steel3. sulphur and nitrogen are introduced into the surface of steel4. carbon and oxygen ...

Q.61 1 kg of carbon requires how many kg of oxygen for stoichiometric combustion?Ans 1. 3/8 kg2. 8/3 kg3. 3/11 kg4. 11/3 kgCorrect Ans Provided: 2