The installation and prevision of fire fighting equipment is mainly subject to
A. ISM Code
B. ISPS Code
C. IBC Code
D. FSS Code
银行必须保留存款的一个最低百分比不能用于贷款,这个百分比率是________。
A. 利息率
B. 贴现率
C. 法定准备金率
D. 联邦基金率
E. M2比M1比率
If all other conditions such as bore, stroke, speed, and mean effective pressures are equal, a two stroke/cycle diesel engine will develop approximately
A. the same indicated horsepower as a four-stroke/cycle engine
B. twice the indicated horsepower as a four-stroke/cycle engine
C. one half the indicated horsepower as a four-stroke/cycle engine
D. one power stroke for every two crankshaft revolutions
A crack in a cylinder liner can be caused by
A. worn piston rings
B. installation of undersized sealing rings
C. operating the engine at low loads
D. restricted cooling water passages