Question

30 mile/hour is equal to

(a) 25.26 ft./sec

(b) 35.36 ft./sec

(c) 45.46 ft./sec

(d) 55.56 ft./sec

I have been asked this question in examination.

This is a very interesting question from Conversion of Units-II topic in division Introductory Concepts of Chemical Process Calculation

Answer 1

Correct answer is (c) 45.46 ft./sec

To explain I would say: 1 mile = 5280 ft. and 1 hr. = 3600 sec.