35.What are the conventions under which the port state control inspection can be carried out?
①SOLAS 74 ②Safety Management System(SMS) ③STCW 78/95 ④MARPOL73/78
(A)①②③
(B)②③④
(C)①③④
(D)①②④
20.The volumes above the piston at the extremities of its travel are the clearance volume at top
dead center position, and the cylinder volume at bottom dead center position. The ratio of cylinder volume to clearance volume is the nominal compression ratio. When the clearance volume and cylinder volume are 2 m3 and 8 m3 respectively, the compression ratio is . (A)0.25 (B)16 (C) 4 (D)10
36. In the two-stroke engine, each revolution of _____________ creates
one power or working stroke.
(A) the turning gear
(B) the compressor
(C) the crankshaft
(D) the turbo-charger