Q.8 Which of the following is used to measure the forecast error?Ans 1. Price fluctuation2. Mean absolute deviation3. Trend value4. Moving averageCorrect Ans Provided: 2

Q.17 Maintenance which is carried out before the breakdown occurs is known as:Ans 1. preventive maintenance2. emergency maintenance3. reactive maintenance4. corrective maintenanceCorrect Ans Provided: 1

Q.4 Generally, the unbalance of forces produced in rotating masses in machines is due to:Ans 1. Inertial forces2. Frictional forces3. centrifugal forces4. centripetal forcesCorrect Ans Provided: 1

Q.18 A refrigerator works on reversed Carnot cycle and has a COP of 3. If this refrigerator works as a heat pump and consumes 2 kW of energy, then the heating effect will be:Ans 1. 4 kW2. 8 ...

Q.3 A column hinged at both ends is subjected to a buckling load of ‘W’ kN. If both the ends are made fixed, the buckling load changes to:Ans 1. 2 W kN2. W kN3. 4 W kN4. 0.5 ...

Q.32 इनमें से कौन सा संगठनात्मक ढांचा नहीं है?Ans 1. लाइन और स्टाफ संगठन (Line and staff organization)2. आभासी संगठन (virtual organization)3. प्रतिरूप संगठन (pattern organization)4. आव्यूह संगठन (matrix organization)Correct Ans Provided: 3

Q.37 The threads on female screw gauge are:Ans 1. both internal and external threads2. flat threads3. external threads4. internal threadsCorrect Ans Provided: 4

Q.13 A spring of stiffness 800 N/m is stretched initially by 5 cm from its undeformed position. The work required to stretch the spring by another 5 cm is:Ans 1. 7 N-m2. 3 N-m3. 15 N-m4. 1 N-mCorrect ...

Q.38 Earliest finish time is defined as:Ans 1. Earliest start time − duration of activity2. Latest finish time + duration of activity3. Earliest start time + duration of activity4. Latest finish time − duration of activityCorrect Ans Provided: ...

Q.39 A human being feels comfortable when heat produced in body due to metabolism is equals to the:Ans 1. sum of heat dissipated to the surroundings and heat stored in human body2. difference between heat dissipated to the ...