1、在绝热工程量计算中,设备、管道绝热层以( )计算。 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
A.平方米 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
B.立方米 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
C.延长米 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
D.平方米、立方米、延长米均可tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
2、在做油罐罐壁的强度及严密性试验时,应以灌到设计最高液位且保持( )罐壁无渗漏、无异常变形为合格。 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
A.24 h tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
B.36 h tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
C.48 h tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
D.60 h tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
3、安全阀一般分为( )两种。 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
A.液压式 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
B.弹簧式 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
C.杠杆式 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
D.密封式 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
4、直埋多根10 kV 以下电缆同沟敷设时,其平行距离为( )。 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
A.500 mm tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
B.350 mm tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
C.200 mm tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
D.170 mm tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
5、平焊法兰是中低压工艺管道最常用的一种。平焊法兰与管子固定时,是将法兰套在管端,焊接法兰里口和外口,使法兰固定。平焊法兰适用于公称压力不超过( )。 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
A.1.0 MPa tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
B.1.5 MPa tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
C.2.0 MPa tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
D.2.5 MPa tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
6、金属油罐中的加热器制作的工程量计量单位是( )。 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
A.台 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
B.个 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
C.kg tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
D.m tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
7、安装工程施工中的热处理一般分为( )两部分。 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
A.淬火 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
B.焊前热处 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
C.焊后热处理 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
D.退火 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
8、在气柜制作工程中,计算气柜重量还应包括( )的重量。 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
A.导轮 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
B.轨道 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
C.梯子平台 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
D.底座 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
9、锅炉有效利用热量与单位时间内锅炉的输入热量的百分比称( ) tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
A.传热效率 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
B.热量利用率 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
C.工作效率 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
D.锅炉效率 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
10、生活污水管道当无条件设置伸顶通气管时应设置( )。 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
A.不通气立管 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
B.环形通气管 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
C.安全通气管 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
D.专用通气管 tÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,
1、B 2、C 3、B C 4、C 5、D 6、D 7、B C 8、A B 9、D 10、BtÙ¾ú¯ -bbs.3c3t.comÎ5º»Ky,