已知某品牌双开门冰箱的可靠性指标MTBF=15000h,且该产品失效分布服从指数分布,求(1)产品的失效率____(2)当产品工作时间t=1500h 时,
可靠度______和累积失效概率函数值_______。
A: 6.67*10^(-5)/小时,0.905,0.095
B: 3.67*10^(-5)/小时,0.92,0.08
C: 5.67*10^(-5)/小时,0.95,0.05
D: 2.67*10^(-5)/小时,0.96,0.04
可靠度______和累积失效概率函数值_______。
A: 6.67*10^(-5)/小时,0.905,0.095
B: 3.67*10^(-5)/小时,0.92,0.08
C: 5.67*10^(-5)/小时,0.95,0.05
D: 2.67*10^(-5)/小时,0.96,0.04
举一反三
- 某公司生产的X型号彩色电视机的可靠性指标MTBF=12000h,经可靠性测试实验,证实该产品失效分布服从指数分布,求下列可靠性指标:<br/>(1)产品的失效率______ (2)当产品工作时间t=1000h 时,可靠度_____ 和累积失效概率函数值_______ A: 5.5*10^(-5)/小时,0.91,0.09 B: 8.33*10^(-5)/小时,0.92,0.08 C: 6.55*10^(-5)/小时,0.95,0.05 D: 7.55*10^(-5)/小时,0.96,0.04
- 某构件当其可靠指标β减小时,相应失效概率将_________, 结构可靠性_________
- 轻度睡眠呼吸暂停综合征,其呼吸暂停指数范围是: A: 5~10次小时 B: 5~15次小时 C: 5~20次小时 D: 10~20次小时 E: 10~30次小时
- 某构件当其可靠指标减小时,相应失效概率将随之__________。
- 某构件当其可靠指标β减小时,相应失效概率将随之