A.later and close sooner B.sooner and close later C.sooner and close sooner D.later and close later
A.pyrostats and a voltmeter B.a gas-filled bellows, a tube and a pressure gauge C.thermocouples and a voltmeter D.ammeters and thermocouples
A.clogged coolant passages B.a leaking cylinder head gasket C.low fuel oil pressure D.worn or broken cylinder liner sealing rings