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Which of the statements given are correct?
1. Coriolis effect is zero at the Equator.
2. Coriolis effect is more towards the Poles.
3. Coriolis effects are related to the decreasing rotational velocity with increasing latitudes.
4. Coriolis effects are related to the increasing rotational velocity with increasing latitudes.
Coriolis component of acceleration depends on 1. angular velocity of the link 2. acceleration of the slider 3. angular acceleration of the link Which of the above is/are correct?
Consider the following statements with reference to Coriolis force: It is an imaginary force acting on a moving object due to the rotation of the earth. Ferrel’s Law of Deflection is the effect of the Coriolis Force. The Coriolis Force is maximum at the Equator while it is minimum at Poles. In the southern hemisphere, it deflects the winds to the Right. Which of the following statement(s) is/are incorrect?
The tangential component of acceleration of the slider with respect to the coincident point on the link is called coriolis component of acceleration.
Coriolis component of acceleration is a component of translatory acceleration.
If the amplitude or oscillation of a simple pendulum is very small, then its time period of oscillation
1. depends on the length of the pendulum, L.
2. depends on the acceleration due to gravity, g.
3. depends upon the mass of the bob of the pendulum, m.
4. does not depend upon the amplitude of the pendulum, A.
Select the correct answer:
When a stone thrown directly upwards reaches the top, it: A. Velocity and acceleration are zero. B. The velocity is zero and the acceleration is about 10 m/s2. C. Velocity is about 10 m/s and acceleration is zero. D. The velocity is about 10 m/s and the acceleration remains the same.
Which among the following option is correct with respect to movement of wind patterns? 1. Winds are deflected anti clockwise and clockwise in northern and southern hemisphere respectively due to coriolis force. 2. Southern hemisphere has higher coriolis force due to less landmass.
Which of the following statement is correct about "Coriolis force"? 1) It acts on the objects that are not in motion. 2) One of the example of Coriolis effect is hurricane winds.
You develop an enterprise application, called XYZApplication that includes a Windows Form presentation layer, middle-tier components for business logic and data access, and a Microsoft SQL Server database.
You are in the process of creating a middle-tier component that will execute the data access routines in your application. When data is passed to this component, the component will call several SQL Server stored procedures to perform database updates. All of these procedure calls run under the control of a single transaction.
The code for the middle-tier component will implement the following objects:
SqlConnection cn = new SqlConnection();
SqlTransaction tr;
If two users try to update the same data concurrently, inconsistencies such as phantom reads will occur. You must now add code to your component to specify the highest possible level of protection against such inconsistencies.
Which code segment should you use?