Movement of pipeline caused by thermal expansion is taken care by providing All of these Changes in its direction Expansion joint Change in the shape of pipeline TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following efficiencies can be greater than 100%? None of these Overall plate efficiency Murphree plate efficiency Point efficiency TRUE ANSWER : ? YOUR ANSWER : ?
Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the Neither A nor B Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Both A & B Economic limit reached, when the plant cost exceeds the saving of steam TRUE ANSWER : ? YOUR ANSWER : ?
For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm. 25 26 23 27 TRUE ANSWER : ? YOUR ANSWER : ?
At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally. Same Higher Unpredictable Lower TRUE ANSWER : ? YOUR ANSWER : ?
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively. 1/2 and 5 1/64 and 1/8 1/2 and 8 1/8 and 1/64 TRUE ANSWER : ? YOUR ANSWER : ?
Two iron pipes of the same nominal diameter but different schedule numbers will have the same Wall thickness None of these Inside diameter Outside diameter TRUE ANSWER : ? YOUR ANSWER : ?
In a shell and tube heat exchanger, tube side __________ of the mass velocity. Heat transfer co-efficient is proportional to 0.8th power Pressure drop is proportional to the square Neither A nor B Both A & B TRUE ANSWER : ? YOUR ANSWER : ?
In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a Either A or B Cap pitch of 1.3-2 times the cap diameter Clearance of 25-75 mm Neither A nor B TRUE ANSWER : ? YOUR ANSWER : ?
In a __________ rivetted joint, the number of rivets decreases from the innermost row to the outermost row. None of these Chain Zig-zag Diamond TRUE ANSWER : ? YOUR ANSWER : ?