Question
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:Solution
The correct answer is B
I sit behind the counter and wait for a customer to come in and by something, but they all walk past the window as though the place were invisible.
...      Select the Incorrectly spelt word.
Choose the word with correct spelling.
Pakistan has issued over 3,800 visas to Indian pillgrims for participating in the 549th birth anniversary of Guru Nanak in Nankana Sahib near Lahore fro...
Four words are listed below. Select the CORRECTLY spelt word.
In each group, one word is correctly spelt. Find the correct word.
Choose the correct spelling of the words below.
In each group, one word is correctly spelt. Find the correct word.
Select the correctly spelt word.
As she sat in a New York City courtroom hearing the unanimos (A) verdict (B) of a jury that found her guilty (C) of crimes, the British socialite did no...
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