Hamad Chemical Engineering Basics 27/05/2020 A. (r2 – r1)/r1. r2 B. r1. r2/(r2 – r1) C. (r2 + r1)/r1. r2 D. r1. r2/(r2 + r1) Related Mcqs: Boiler tube size is specified by its thickness and _____________________ diameter ?A. Outside B. Inside C. Mean D. None of these... The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively __________________?A. 7 and 30 B. 10 and 50 C. 2 and 50 D. 13 and 55... Which of the following metals is the most prone to work hardening ?A. Brass B. Aluminium C. Copper D. Lead... Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as_________________?A. Gr0.25, Gr B. Gr0.25, Gr0.33 C. Gr, Gr0.25 D. Gr0.33, Gr0.25... Which of the following is preferred for riveting ?A. Lap joint B. Butt joint C. Either A. or B. D. Neither A. nor B....
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