Related Questions

An SCR can exercise control over ___________ of a.c. supply
A Positive half-cycles only
B Negative half-cycles only
C Both positive and negative half-cycles
D Positive or negative half-cycles
The control element of an SCR is ___________
A Cathode
B Anode
C Anode supply
D Gate
A train starts from city Y at 2 PM and travels towards city X at 75 km/hr. Another train starts from city X at 1 PM and travels towards Y at 60 km/hr. If the distance between these two cities is 330 km then at what time will they meet?
A 4 :00 PM
B 5 : 00 PM
C 5 :30 PM
D 6 :00 PM
If gate current is increased, then anode-cathode voltage at which SCR closes ___________
A Is decreased
B Is increased
C Remains the same
D None of the above
Farid can complete a job in 12 hours, and Jibon can complete the same job in 8 hours. Farid starts the job at 9 a.m., and stops working at 3 p.m. If Jibon starts working at 4 p.m. to complete the remaining job, at what time is the job finished?
A 6 p.m.
B 8 p.m.
C 9 p.m.
D 10 p.m.
Farid can complete a job in 12 hours, and Jibon can complete the same job in 8 hours. Farid starts the job at 9 am and stops working at 3 pm. If Jibon starts working at 4 pm to complete the remaining job, at what time is the job finished?
A 6 p.m.
B 7 p.m.
C 8 p.m.
D 10 p.m.
P starts jogging from point X to point Y. 30 minutes later his friend R who jogs 1 km/hour slower than twice P's rate starts from the same point and follows the same path. If R overtakes P in 2 hours, how many kilometres will R have covered?
A 2.2 km
B 3.33 km
C 4 km
D 6 km
P starts jogging from point X to point. half an hour later his friend 'R" who jogs mile per hour slower than twice P's rate starts the same pint and follows the same path. If 'R' overtakes 'P' in 2 hours, how many miles will "R" have covered?
A 2.2
B 3.33
C 48% P2O5
D 6
A police man spots a mugger from a distance of 200 meters. As the police man starts chasing the mugger, the mugger also starts running. Given that the speed of the mugger is 10 km/h and that of the police man is 12 km/h, how far would have the mugger run before he is caught?
A 3 km
B 4 km
C 2 km
D 1 km
The distance between two stations, Dhaka and Chittagong is 450 km. A train starts at 5 pm from Dhaka and moves towards chittagong at an average speed of 60 km/hr. Another train starts from Chittagong at 4:20 pm and moves towards Dhaka at an average speed of 80 km/hr. At what time will the two trains meet?
A 6:10 pm
B 7:05 pm
C 8:15 pm
D 6: 35 pm

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