what can happen when valve spring tension is too low?

Why is it important to loosen the cylinder head bolts in the recommended order?

Which of the following statements is not true? A direct acting PRV:   Is complex in construction, therefore can malfunction if a very small dirt gets trapped inside the valve, which may result in safety hazard   Offers uneven flow   Does not provide precise pressure control   Causes more wastage of HP compared to a compound one   Which of the following basic system components has the primary function of removing the heat of compression from the air?   Receiver   Relief valve   Pressure regulator   Dryer   Aftercooler   Which of the following statements is true?   A single acting cylinder may have two ports at two different ends and pressurized fluid can be directed to both of them   A single acting cylinder with two ports will can be used as a double acting cylinder   A single acting cylinder may have two ports at two different ends but into only one of the ports pressurized fluid is being directed   A single acting cylinder…