Related Questions

The bracing between two columns of a steel tank will be designed to resist
A Horizontal shear due to wind or earthquake only
B Horizontal, shear due to wind or earthquake + 2.5% of column loads
C Column loads + 2.5% of horizontal shear due to wind or earthquake
D Column loads + full horizontal shear due to wind or earthquake
The portal bracing in a truss bridge is used to
A Transfer load from top of end posts to bearings
B Keep the rectangular shape of the bridge cross-section
C Stiffen the structure laterally
D Prevent the sides-way buckling of top chord
The bracing provided in the plane of end posts is called
A Sway bracing
B Portal bracing
C Top lateral bracing
D Bottom lateral bracing
Reactors designed for propulsion applications are designed for
A Natural uranium
B Enriched uranium
C Pure uranium
D Any type of uranium
The scales form in heat exchanges after a period of operation and provide additional resistance to heat transfer with some heat transfer coefficient . The reciprocal of this scale heat transfer coefficient is called .
A scaling factor
B forming factor
C resisting factor
D fouling factor
Extended heat transfer surface like fins are used to increase the heat transfer rate. Fin efficiency is defined as the ratio of heat transferred across the fin surface to the theoretical heat transfer across an equal area held at the
A Surrounding temperature
B Average temperature of the fin
C Temperature of the fin end
D Constant temperature equal to that of the base
Rotary driers are most economically designed for the number of heat transfer units (HTU) from
A 0.01 to 1
B 1.5 to 2.5
C 5 to 10
D 10 to 20
A certain hard disk has a data transfer rate of 20 MB/sec. How much time is required to transfer 5 megabyte data from this disk to memory?
A 20 sec.
B 1 sec.
C 0.5 sec.
D 0.25 sec.
If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase.
A Convection
B Nucleate boiling
C Radiation
D Conduction
Efficiency of power transfer when maximum transfer of power c xerosis
A 100%
B 80%
C 75%
D 50%

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