Question 68Motor Plants - Assistant Engineer70% to pass
Which of the following statements describes the operation of the circuit shown in the illustration? Illustration MO-0114

AI Explanation
The correct answer is A) The output of "2" will always be less than the input at "1" by 0.35 bar.
This is correct because the circuit shown in the illustration depicts a pressure-reducing valve, which is a device used to reduce the pressure of a fluid or gas from a higher inlet pressure to a lower, controlled outlet pressure. The pressure drop across the valve is typically around 0.35 bar, meaning the output pressure at "2" will be approximately 0.35 bar less than the input pressure at "1".
The other answer choices are incorrect because they do not accurately describe the operation of a pressure-reducing valve. Choice B, C, and D do not provide the correct relationship between the input and output pressures of the circuit.
Related Questions
#66 The pneumatic circuit shown in the illustration is part of a control system used with large low-speed diesel engines. The arrangement may be used to control_______________. Illustration MO-0118 #67 The 3-position, 4-way directional control valve with a 30 bar output at "ee" as shown in the illustration (MO-0116) is a blocking valve associated with the engine turning gear. Which of the following statements describes its function when incorporated into a slow-speed diesel engine starting control air distributor as shown in the illustration (MO-0053)? Illustrations MO-0053 and MO-0116#69 The device represented by the symbol "B" in the illustration is used to_______________. Illustration MO-0115 #70 Which of the types of reduction gearing listed is best suited for medium-speed main propulsion units? #71 In the reversing reduction gear shown in the illustration, the forward and reverse main pinions are in constant mesh with the main gear. This means the_______________. Illustration MO-0085