皮皮学，免费搜题
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【多选题】
下列属于引火源的有哪些：
A.
未熄灭的烟头
B.
漏电火花
C.
炉灶火
D.
点燃的蜡烛
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】Sludge may form in the crankcase of an air conditioning compressor as a result of ______.
A.
bubbling refrigerant
B.
overheating and oxidation
C.
lowered operating temperatures
D.
reducing the cloud or floc point
查看完整题目与答案
【单选题】Sludge may be formed in the oil in the crankcase of a reciprocating air conditioning compressor as a result of （）
A.
refrigerant bubbles in the lube oil
B.
refrigerant reducing the lube oil viscosity
C.
oxidation of the lube oil from overheating
D.
reducing the floc or cloud point of the oil
查看完整题目与答案
【判断题】一般婚礼的礼金为双数
A.
正确
B.
错误
查看完整题目与答案
【单选题】The lengthening of a crack formed in the shell plating of a ship may be prevented by _____.
A.
welding brackets across both ends of the crack
B.
chipping out and slot welding the entire crack
C.
drilling a hole at each end of the crack
D.
cutting a square notch at each end of the crack
查看完整题目与答案
【单选题】Which harmful consequence may be the result of lube oil sludge accumulation? .
A.
Clogged oil pump suction screens
B.
Increased oil operating temperatures
C.
Sticking piston rings
D.
All of the above
查看完整题目与答案
【单选题】In both FPP and MMP systems government may not be formed based on a majority voter mandate.
A.
真
B.
假
C.
NOT GIVEN
查看完整题目与答案
【判断题】歇山顶是由一条正脊、四条垂脊、和四条戗脊组成,又称为九脊顶。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Sludge may form. in the lubricating oil crankcase of a reciprocating air conditioning compressor as a result of ______.
A.
wax precipitation in the lube oil
B.
contamination by dust, scale, or moisture
C.
refrigerant bubbles in the lube oil
D.
refrigerant reducing the lube oil viscosity
查看完整题目与答案
【单选题】Sludge may be formed in the oil in the crankcase of a reciprocating air conditioning compressor as a result of_____.
A.
refrigerant bubbles in the Iube oil
B.
refrigerant reducing the lube oil viscosity
C.
oxidation of the lube oil from overheating
D.
reducing the floc or cloud point of the oil
查看完整题目与答案
【单选题】Sludge may be formed in the oil in the crankcase of a reciprocating air conditioning compressor as a result of ______.
A.
refrigerant bubbles in the lube oil
B.
refrigerant reducing the lube oil viscosity
C.
oxidation(氧化) of the lube oil from overheating
D.
reducing the floc or cloud point of the oil
查看完整题目与答案
相关题目：
【单选题】Sludge may form in the crankcase of an air conditioning compressor as a result of ______.
A.
bubbling refrigerant
B.
overheating and oxidation
C.
lowered operating temperatures
D.
reducing the cloud or floc point
查看完整题目与答案
【单选题】Sludge may be formed in the oil in the crankcase of a reciprocating air conditioning compressor as a result of （）
A.
refrigerant bubbles in the lube oil
B.
refrigerant reducing the lube oil viscosity
C.
oxidation of the lube oil from overheating
D.
reducing the floc or cloud point of the oil
查看完整题目与答案
【判断题】一般婚礼的礼金为双数
A.
正确
B.
错误
查看完整题目与答案
【单选题】The lengthening of a crack formed in the shell plating of a ship may be prevented by _____.
A.
welding brackets across both ends of the crack
B.
chipping out and slot welding the entire crack
C.
drilling a hole at each end of the crack
D.
cutting a square notch at each end of the crack
查看完整题目与答案
【单选题】Which harmful consequence may be the result of lube oil sludge accumulation? .
A.
Clogged oil pump suction screens
B.
Increased oil operating temperatures
C.
Sticking piston rings
D.
All of the above
查看完整题目与答案
【单选题】In both FPP and MMP systems government may not be formed based on a majority voter mandate.
A.
真
B.
假
C.
NOT GIVEN
查看完整题目与答案
【判断题】歇山顶是由一条正脊、四条垂脊、和四条戗脊组成,又称为九脊顶。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Sludge may form. in the lubricating oil crankcase of a reciprocating air conditioning compressor as a result of ______.
A.
wax precipitation in the lube oil
B.
contamination by dust, scale, or moisture
C.
refrigerant bubbles in the lube oil
D.
refrigerant reducing the lube oil viscosity
查看完整题目与答案
【单选题】Sludge may be formed in the oil in the crankcase of a reciprocating air conditioning compressor as a result of_____.
A.
refrigerant bubbles in the Iube oil
B.
refrigerant reducing the lube oil viscosity
C.
oxidation of the lube oil from overheating
D.
reducing the floc or cloud point of the oil
查看完整题目与答案
【单选题】Sludge may be formed in the oil in the crankcase of a reciprocating air conditioning compressor as a result of ______.
A.
refrigerant bubbles in the lube oil
B.
refrigerant reducing the lube oil viscosity
C.
oxidation(氧化) of the lube oil from overheating
D.
reducing the floc or cloud point of the oil
查看完整题目与答案