A body of cross-sectional area, 0.4m² and a mass of 25kg is placed vertically. What...

A body of cross-sectional area, 0.4m² and a mass of 25kg is placed vertically. What is it’s tensile stress(g=10ms-2)
A. 950Nm-2
B. 420Nm-2
C. 240Nm-2
D. 625Nl-2

16. In a resistance thermometer, a metal wire shows resistance of 500 at the ice point and 550 at steam point. The temperature when resistance is 535 would be…
A. 65°
B. 75°
C. 60°
D. 70°

17. Réaction of ethanol and phosphorus(v) chloride will give
A. CH3COCL
B. ClCH2COOH
C. Cl3CCOOH
D. Cl2CHCOOH?

In Federal University Gusau
2 Answers Available
Asked by Chijiugom on 8th May, 2022