A. pH value
B. Electrode potential
C. Colour intensity
D. None of these
Related Mcqs:
- Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is__________________?
A. Black
B. Silver grey
C. Green
D. Yellow - A reduction in thermal resistance during heat transfer does not occur in the___________________?
A. Convection heat transfer by stirring the fluid and cleaning the heating surface
B. Conduction heat transfer by reduction in the material thickness and increase in the thermal
conductivity
C. Radiation heat transfer by increasing the temperature and reducing the emissivity
D. None of these - The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the___________________?
A. Final control element
B. On-off control
C. Floating control action
D. None of these - The difference between gross & net calorific values of fuel is due to the___________________?
A. Sensible heat carried away by the flue gases
B. Heat carried away by the steam from the moisture content of the fuel
C. Heat lost by radiation
D. Heat carried away by steam from the combustion of hydrogen in the fuel - Cold cracking in the heat affected zone of a high strength steel weld can take place because of the___________________?
A. Retained austenite
B. Martensite formation
C. Relatively high sulphur content in the base metal
D. Sufficient hydrogen present in the welding arc - Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the___________________?
A. Length of the pipe
B. Diameter of the pipe
C. Density of the fluid
D. Velocity of the fluid - Most important property of steels for use in automobile bodies is the___________________?
A. Formability
B. Yield strength
C. Toughness
D. Resilience - Routing in production, planning & control is concerned with the___________________?
A. Sequence of operation to be performed
B. Progress of work performed
C. Authorisation of work to be performed
D. Balancing of load on machines - Batch process is preferred over continuous process, when the___________________?
A. Product yields and quality cannot be achieved in continuous process, because of long
residence time
B. Sales demand of product is not steady
C. Same equipment cannot be used for several processes of the same nature
D. All (A), B. & (C) - Young’s modulus of a material is the measure of its ___________________?
A. Stiffness
B. Malleability
C. Creep resistance
D. Tensile strength
