Q.67 The boundary of a system:Ans 1. can be fixed or movable2. is always fixed3. is neither fixed nor movable4. is always movableCorrect Ans Provided: 1

Q.56 A block weighing 2500 N, overlying a 10° wedge on a horizontal floor and leaning against a vertical wall, is to be raised by applying a horizontal force to the wedge. The coefficient of friction between all ...

Q.54Ans 1.2.3.4.Correct Ans Provided: 1

Q.65 Which of the following are typical problems related to centrifugal pumps? 1. No or low flow, 2. No or low pressure, 3. Excessive power consumption, 4. Excessive noise or vibration, 5. Seal leakageAns 1. 2, ...

Q.59 A body moving with a uniform acceleration covers 20 m in the 6th second and 30 m in the 10th second. The uniform acceleration of the body is:Ans 1. 1.25 m/sec22. 2.76 m/sec23. 2.5 m/sec24. 1.5 m/sec2Correct ...

Q.58 Which of the following calorimeters is normally used when the value of the dryness fraction is very low?Ans 1. Separating and throttling calorimeter2. Bomb calorimeter3. Bucket calorimeter4. Throttling calorimeterCorrect Ans Provided: 1

Q.60 Grinding is a ________. Ans 1. None of the given options2. single point machining process3. non-traditional machining operation4. multi-point machining processCorrect Ans Provided: 4

Q.69 In which of the following categories is wind energy classified?Ans 1. Renewable energy2. Non-renewable energy3. Conventional energy4. Commercial energyCorrect Ans Provided: 1

Q.71 Which of the following is TRUE?Ans 1. Heat flow = thermal resistance / thermal potential difference2. Heat flow = thermal potential difference + thermal resistance3. Heat flow = thermal potential difference × thermal resistance4. Heat flow = ...

Q.70 What will be the characteristic length for a sphere?Ans 1. R / 42. R / 63. R / 34. R / 2Correct Ans Provided: 3