1. A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called





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MCQ->A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called....
MCQ-> DIRECTIONS for the following three questions: Answer the questions on the basis of the information given below.A city has two perfectly circular and concentric ring roads, the outer ring road (OR) being twice as long as the inner ring road (IR). There are also four (straight line) chord roads from E1, the east end point of OR to N2, the north end point of IR; from N1, the north end point of OR to W2, the west end point of IR; from W1, the west end point of OR, to S2, the south end point of IR; and from S1 the south end point of OR to E2, the east end point of IR. Traffic moves at a constant speed of $$30\pi$$ km/hr on the OR road, 20$$\pi$$ km/hr on the IR road, and 15$$\sqrt5$$ km/hr on all the chord roads.The ratio of the sum of the lengths of all chord roads to the length of the outer ring road is
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MCQ->Consider the following statements :1. Butterfly valve is used for throttling and controlling flow rate.2. Check valve is used in the discharge piping of a pump.3. Air-relief valve is placed in the pipeline at the valleys to automatically vent the accumulated air in the system4. Altitude valve is provided in user overhead tank.Which of the statements given above are correct ?....
MCQ->A 2" gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is....
MCQ->Consider the following statements regarding sources or error in a Q-meter: If a coil with resistance R is connected in direct measurement mode and if the residual resistance of Q-meter is 0.1 R, then the measure Q of the coil would be 1.1 times the actual Q.If the inductance to be measured is less than 0.1 mH, the error due to presence of residual inductance cannot be neglected.The presence of distributed capacitance in a coil modifies the effective Q of the coil. Which of the above statements are correct?....
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