List of practice Questions

If a p-n junction diode is forward biased, then:
Young's modulus and shear modulus are applicable for:
The force between two point charges separated by a distance \(d\) is \(F\). If one charge is moved away by a distance \(d\), then the new force is:
KMnO\(_4\) on heating at 513K produces:
IUPAC name of the compound [Cr(H\(_2\)O)\(_3\)(NH\(_3\))\(_3\)]Cl\(_3\)
Square planar compound is:
A compound formed by reacting CoCl\(_2\) with excess NH\(_3\) gives 1 mol of AgCl with AgNO\(_3\). Form the compound:
Which element in the 3d series can form dihalides?
Choose the incorrect statement:
Chloro benzene and acetyl chloride react with anhydrous AlCl\(_3\), to form 4-chloroacetophenone. The reaction is an example of:
Which of the following have a complete octet?
Acetone can be converted to 2-methylpropan-2-ol using:
Which of the following is diamagnetic?
The correct order of boiling point:
CH\(_3\)-CH\(_2\)-CH\(_2\)-CH\(_2\)-NH\(_2\), CH\(_3\)-CH\(_2\)-NH-CH\(_2\)-CH\(_3\), CH\(_3\)-CH\(_2\)-N(CH\(_3\))\(_2\)
Which of the following is a non-polar molecule?
Which among the following shows -R effect?
Which one of the series of hydrogen spectrum is in the visible region?
In the reaction \( 3Mg + N_2 \rightarrow Mg_3N_2 \), the oxidation number of Mg changes is:
Which of the following is an extensive property?
Which of the following is non-aromatic?

Match the non-dimensional numbers in Column 1 with the corresponding definitions in Column 2:

The beam PQRS is subjected to a vertical point load of \(10\) kN at point S as shown in the figure. The magnitude of fixed end moment at P is _________ kN‑m.


 

A square‑shaped body is subjected to only direct tensile stresses \(\sigma_x\) and \(\sigma_y\) as shown. If \(\sigma_x > \sigma_y\), then the value of normal stress (\(\sigma_{\theta}\)) and shear stress (\(\tau_{\theta}\)) respectively are ________.


 

The dynamics of a 90 m long ship are governed by the non-dimensional Nomoto equation. The magnitude of Nomoto gain \( |K'| = \frac{72}{35\pi} \) and that of Nomoto time constant \( |T'| = \frac{288}{35\pi} \). The steady turning radius of the ship for a 35° turning circle maneuver is ________ m (answer in integer).
Choose the correct statement(s) from the following with respect to a ship-generated Kelvin wave pattern in deep water.