Chemical Engineering Basics | Test For NTS PPSC FPSC, TEST

A. Are magnetised by eddy currents only
B. Are non-magnetic and cannot be magnetised
C. Are magnetised in direction opposite to the magnetic field
D. Can be magnetised in one direction only

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Category: Chemical Engineering Basics

Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about ____________________?

The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge) ?

High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from _______________ percent ?

Gage pressure within a spherical droplet of a fluid is ‘p’. What will be gage pressure within a bubble of the same size & of the same fluid ?

Which of the following has the highest modulus of elasticity (about 7 × 106 kg/cm2) ?

Diamagnetic materials___________________?

Electrometallurgy is not involved in the extraction of ___________________ from its ore?

In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be__________________?

Presence of nickel & chromium in steel does not raise its _________________?

Which of the following has the least value of ultimate tensile strength (UTS) ?