Question
In a two-stroke engine commonly used in portable
agricultural tools, how is the scavenging of exhaust gases achieved?Solution
In a two-stroke engine, scavenging is carried out using the fresh charge which enters via the transfer port. It pushes the exhaust gases out of the cylinder through the exhaust port, thus eliminating the need for separate exhaust valves.
What does the ‘
Which of these ensures referential integrity?
In an E-R Diagram, entities are typically represented by:
Which normal form eliminates transitive dependencies?
What is referential integrity?
A table is in 2NF (Second Normal Form) if it is in 1NF and:
Examine the following Java-like code:
```java
class Parent {
String name = "Parent";
p...
Which type of relationship exists when a record in one table can relate to multiple records in another table, and vice versa?
The "Dirty Read" problem occurs when:
Consider the following C++-like pseudo-code for a binary tree traversal:
```cpp
struct Node {
int data;
...
Relevant for Exams:
