Ultrasonic pulse echo technique, a non-destructive ultrasonic testing, is employed for any possible flaw detection in a metallic bar of thickness 30 cm. If the arrival times of the ultrasonic pulses are 45 us and 90 us respectively, the distance of the flaw from one end of the steel bar at which the ultrasonic pulse initially enters the steel bar, will be:
The correct answer is B
There is the obvious advantage of _________________the huge expenditure involved and reducing the ______________on the manpower deployed.
We have failed in our educational system to ……….. the enormous ………… talent in our country and ……… a solid foundation of science.
Yossarian wanted out. He knew the war just didn’t make sense. Men went mad and were rewarded with medals. All over the world, boys on every side of th...
"I think we should ___________ before deciding what to do next."
1) among
2) in
3) belong
4) along
5) None of these
Fill in the blanks using appropriate forms of the words given in brackets from the choices given below them.
Quality of life varies ____from one...
I have been really busy last month. I want to ________ some good time with my friends and family.
Last week, North Korea's Army said it would _______________all roads and railways connected to South Korea and ________________border areas, according t...
Fill in the blanks with the appropriate antonym of the word highlighted.
He was a man of _____ whereas his brother was a man of stupidity.
...There are still a few people in northern Europe who think that global warming might not be such a bad thing. In Britain, where summer can sometimes see...