A regression model is used to express a variable $$Y$$ as a function of another variable $$X.$$ This implies that

Flow separation in flow past a solid object is caused by

If $$'x'$$ is the distance measured from the leading edge of a flat plate, then laminar boundary layer thickness varies

A copper tube of $$20$$ $$mm$$ outer diameter, $$1$$ $$mm$$ thickness and $$20$$ $$m$$ long (Thermal conducti-vity$$ = 4

The value of Biot number is very small (less than $$0.1$$), when

The properties of mercury at $$300K$$ are : density $$ = 13529kg/{m^3},$$ $${C_P} = 0.1393$$ $$kJ/kgK,$$ dynimic viscosi

What is the value of the view factor for two inclined flat plates having common edge of equal width, and with an angle o

For the same inlet and outlet temperatures of hot and cold fluids, the Log mean temperature Difference $$(LMTD)$$ is

An item can be purchased for Rs.$$100.$$ The ordering cost is Rs.$$200$$ and the inventory carrying cost is $$10\% $$ of

A project consists of three parallel paths with mean durations and variances of $$(10,4), (12,4)$$ and $$(12,9)$$ respec

The precedence relations and durations of jobs in a project are given below: (a) Draw the activity-on-arc project netw

A regression model is used to express a variable $$Y$$ as a function of another variable $$X.$$ this implies that

Arrivals at a telephone booth are considered to be Poisson, with an average time of $$10$$ minutes between successive ar

A furniture manufacturer produces chairs and tables. The wood-working department is capable of producing $$200$$ chairs

The supply at three sources is $$50, 40$$ and $$60$$ units respectively whilst the demand at the four destinations is $$

A static load is mounted at the center of a shaft rotating at uniform angular velocity. This shaft will be designed for

The minimum number of teeth on the pinion to operate without interference in standard full height involute teeth gear me

Large speed reductions (greater than $$20$$) in one stage of gear train are possible through

The primary purpose of a sprue in a casting mold is to

In centrifugal casting, the lighter impurities are

Ductility of material with work hardening

Hot rolling of mild steel is carried out

The temperature of a carburizing flame in gas welding is _______ that of a neutral or an oxidizing flame.

Which of the following arc welding processes does not use consumable electrode

$$BUE$$ is formed while machining

A tube of $$32mm$$ outside diameter was turned on a lathe and the following data was obtained Rake angle $$=35deg,$$ F

A lead screw with half nuts in a lathe, free to rotate in both directions has

Trepanning is performed for

The hardness of a grinding wheel is determined by the

The time taken to drill a hole though a $$25$$ $$mm$$ thick plate with the drill rotating at $$300$$ $$rpm$$ and moving

In blanking operation the clearance is provided on

Machining of complex shapes on $$CNC$$ machines requires

What is the speed of sound in Neon gas at a temperature of $$500$$ $$K$$ (Gas constant of Neon is $$0.4210$$ $$kJ/kg$$-$

A Carnot cycle is having an efficiency of $$0.75.$$ If the temperature of the high temperature reservoir is $${727^ \cir

The efficiency of superheat Rankine cycle is higher than that of simple Rankine cycle because

If there are $$'m'$$ physical quantities and $$'n'$$ fundamental dimensions in a particular process, the number of non-