For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for diaofthe tank in question), the thickness of the courses of shell
Options
A. decreases upwards.
B. increases upwards.
C. remains same throughout.
D. may decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell.
Correct Answer
decreases upwards.
More questions
1. Which of the following is an undesirable dynamic characteristic of an instrument?
6. 6 gm of carbon is burnt with an amount of air containing 18 gm oxygen. The product contains 16.5 gms CO2 and 2.8 gms CO besides other constituents. What is the degree of conversion on the basis of disappearance of limiting reactant?
7. The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability?
10. Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (l/20th of ordinary metals)?