【单选题】投资组合的VaR可以表示为各项资产( )的和
【单选题】A large, low-speed, main propulsion diesel engine uses sea water to directly cool the _____.
【单选题】Starting a large low-speed propulsion diesel engine on diesel fuel during cold weather conditions, will be made easier by _______
A.
increasing the quantity of starting air
B.
increasing the lube oil pressure
C.
heating the engine fuel supply
D.
heating the engine coolant
【单选题】The main function of tie rods in the construction of large, low speed diesel engines is to _____.
A.
stiffen the bedplate in way of the main bearings to increase the engines longitudinal strength
B.
accept most of the tensile loading that results from the firing forces developed during operation
C.
mount the engine frame. securely to the hull to prevent shaft coupling misalignment
D.
connect the crosshead solidly to the piston rod
【单选题】下列关于利润责任中心的说法中,错误的是()
A.
拥有供货来源和市场选择决策权的责任中心,才能成为利润中心
B.
考核利润中心的业绩,除了使用利润指标外,还需使用一些非财务指标
C.
为了便于不同规模的利润中心业绩比较,应以利润中心实现的利润与所占用资产相联系的相对指标作为其业绩考核的依据
D.
为防止责任转嫁,正确考核利润中心业绩,需要制定合理的内部转移价格
【单选题】One major disadvantage of a low-speed diesel as compared to a steam main-propulsion system is().
A.
the extra weight required for the diesel reduction gearing
B.
a minimum speed for the engines that limits the minimum speed of the vessel
C.
the higher fuel consumption per SHP
D.
the low efficiency of the system when a controllable pitch propeller is used
【单选题】下列8086汇编指令中,不合法的指令是:( )。
【单选题】投资组合的VAR可以表示为各项资产的()的和。
【单选题】投资组合的 VaR 可以表示为各项资产( )的和
【单选题】投资组合的Var可以表示各项资产( )的和。