Which one of the following is a dinosaur?
Show Hint
- Stegodon
- Stegosaurus
- Equus
- Otoceras
The Correct Option is B
Solution and Explanation
Step 1: Stegodon
Stegodon is an extinct genus of elephant-like animals, not a dinosaur, so option (A) is incorrect.
Step 2: Stegosaurus
Stegosaurus, however, is a dinosaur, making option (B) correct.
Step 3: Equus
Equus refers to the genus of modern horses, zebras, and donkeys, so option (C) is incorrect.
Step 4: Otoceras
Otoceras is an extinct genus of ammonoids, which are marine cephalopods, not a dinosaur, making option (D) incorrect.
Final Answer:
\[ \boxed{(B)} \]
Top Questions on Marine Engineering
Consider the psychrometric process denoted by the straight line from state 1 to 2 in the figure. The specific humidity, Dry Bulb Temperature (DBT), and Wet Bulb Temperature (WBT) at the two states are shown in the table. The latent heat of vaporization of water \( h_{fg} = 2440 \, {kJ/kg} \). If the flow rate of air is 1 kg/s, the rate of heat transfer from the air is_________kW (rounded off to two decimal places).
- GATE NM - 2025
- Thermodynamics and Marine Engineering
- Marine Engineering
Water of density \( \rho = 1000 \, {kg/m}^3 \) flows with a velocity \( V = 50 \, {m/s} \) through a 180° curved tube of uniform cross-section as shown in the figure. If the flow rate is \( 0.06 \, {m}^3/{s} \), the magnitude of the reaction force \( F_x \) required to keep it stationary is ________ kN (rounded off to one decimal place).
- GATE NM - 2025
- Thermodynamics and Marine Engineering
- Marine Engineering
A tank with a constant water level of 4 m above the centreline of an opening of diameter 100 mm is shown in the figure. Neglect all losses and assume \( g = 9.81 \, {m/s}^2 \). The discharge through the opening is ________ litres/s (answer in integer).
- GATE NM - 2025
- Thermodynamics and Marine Engineering
- Marine Engineering
- A ship moving at a steady forward speed of \(10 \, {m/s}\) experiences a total resistance of \(140 \, {kN}\). The Quasi Propulsive Coefficient (QPC) is \(0.70\); the propeller shaft losses are \(5%\) and the mechanical efficiency of the main engine is \(80%\).
The indicated power of the main engine is ________ kW (rounded off to two decimal places).- GATE NM - 2025
- Thermodynamics and Marine Engineering
- Marine Engineering
- A two-stroke four-cylinder large marine diesel engine has a cylinder bore of \(600 \, {mm}\) and stroke length of \(2400 \, {mm}\). The brake thermal efficiency (\( \eta_{{bth}} \)) is 45%, and fuel consumption rate (\( \dot{m}_f \)) is \(0.265 \, {kg/s}\) at an engine speed (\( N \)) of 100 rpm. Assuming the calorific value of fuel is \(42 \, {MJ/kg}\), the brake mean effective pressure (bmep) is ________ bar (rounded off to one decimal place).
- GATE NM - 2025
- Thermodynamics and Marine Engineering
- Marine Engineering
Questions Asked in GATE GG exam
While doing Bayesian inference, consider estimating the posterior distribution of the model parameter (m), given data (d). Assume that Prior and Likelihood are proportional to Gaussian functions given by \[ {Prior} \propto \exp(-0.5(m - 1)^2) \] \[ {Likelihood} \propto \exp(-0.5(m - 3)^2) \]
The mean of the posterior distribution is (Answer in integer)- GATE GG - 2025
- Bayesian construction of posterior probabilities
Consider a medium of uniform resistivity with a pair of source and sink electrodes separated by a distance \( L \), as shown in the figure. The fraction of the input current \( (I) \) that flows horizontally \( (I_x) \) across the median plane between depths \( z_1 = \frac{L}{2} \) and \( z_2 = \frac{L\sqrt{3}}{2} \), is given by \( \frac{I_x}{I} = \frac{L}{\pi} \int_{z_1}^{z_2} \frac{dz}{(L^2/4 + z^2)} \). The value of \( \frac{I_x}{I} \) is equal to
- GATE GG - 2025
- Geophysics
Suppose a mountain at location A is in isostatic equilibrium with a column at location B, which is at sea-level, as shown in the figure. The height of the mountain is 4 km and the thickness of the crust at B is 1 km. Given that the densities of crust and mantle are 2700 kg/m\(^3\) and 3300 kg/m\(^3\), respectively, the thickness of the mountain root (r1) is km. (Answer in integer)
- GATE GG - 2025
- Geophysics
- If the lowest Digital Number (DN) value in an image of 10-bit radiometric resolution is 0, then the maximum DN value of that image is ________
- GATE GG - 2025
- Digital Image Processing
- A watershed has an area of 74 km\(^2\). The stream network within this watershed consists of three different stream orders. The stream lengths in each order are as follows: Ist order streams: 3 km, 2.5 km, 4 km, 3 km, 2 km, 5 km
IInd order streams: 10 km, 15 km, 7 km
IIIrd order streams: 30 km
The drainage density of the watershed is _________km/km\(^2\) (Round off to two decimal places)- GATE GG - 2025
- Hydrology