List of practice Questions

If the probability of having boy or girl 0.3, what is probability of getting 2 girls 1 boy?

Find dV/dt

Which among the following is true?

Which are optically active?

 k₁=2k₂, find the initial concentration of A.

Ψ(x) = \(\sqrt{\frac{32}{L^3}}\)[sin(\(\frac{\pi x}{L}\)).cos(\(\frac{\pi x}{L}\)).sin(\(\frac{2\pi y}{L}\)).sin(\(\frac{\pi z}{L}\))]Find the value of E₂₂₁: E₁₁₁.

What is the relationship between P & Q?
\(\left(\frac{P}{Q}\right)^{\frac{P}{Q}} = P^{\frac{P}{Q}-1}\)

Find the value of x 
3, 7, 15, x, 63, 127, 255

You have to tell the number of degrees of freedom for a natural open channel flow with a mobile bed?

Find the value of \(ϕ\) for critical stability. Bita \(\beta\) was given as 30°, \(\gamma\) set is given as 20, \(γ_w = 10\). Find \(\phi\) minimum for stability?

Balanced section is there if the material is in other sections are same and dimensions same for which case section becomes under enforce?

Two identical magnetic dipoles of magnetic moment $2\, A\, m^2$ are placed at a separation of $2\, m$ with their axes perpendicular to each other in air. The resultant magnetic field at a midpoint between the dipoles is

Maximum Hogging moment in given beam is

Ramp of Hope 1:12 for a height of 900mm. Landing of 1.5m length is provided after every 9m. Total horizontal length of ramp will be _____m.

Present value of Ri 50,000 with 15%, salvage value after value 5 Yrs. What will be the book value after 3 Yrs -?

Find equation of the line which is equidistant from parallel lines 9x + 6y - 7 = 0 and 3x + 2y + 6 = 0.

Match the Education facilities with their respective population semed per unit

Soil = 0.75
G = 2.68
Water content = 17% 
γ_w = 10 kg n /m³ 
γ_d = ?

Two Inductors are connected in series adding condition resultant is 500 MH & series opposition is 300 MH. Both inductors are equal then find coefficient of coupling?

A soil sample was consolidated at a cell pressure of 10 K Pa for 24 hours during a cu test. The cell pressure increases to 30. Now it results in a core water pressure increment of 1 K Pa. Soil failed when the agsist test gradually increased to 50 K Pa. Core water pressure at failure was recorded as 21 K Pa. What is the scamton core water pressure B?

A band brake shown in the figure has a coefficient of friction of 0.3. The band can take a maximum force of 1.5 kN. The maximum braking force (F) that can be safety applied is ______ N. (Answer in integers)

A cube of the dimension (20*20*20) is mold to sphere having diameter 20mm and the pouring temperature both are same. What is the ratio of the solidification time of the cubical casting: spherical casting